Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remaining Length#16890
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…gth (#16852) Motivation: `MqttDecoder.decodePayload`'s `default` branch returns `null` for payload-less message types (`PINGREQ`, `PINGRESP`, `DISCONNECT`, `AUTH`, `CONNACK`, `PUBACK`, `PUBREC`, `PUBREL`, `PUBCOMP`) without checking that `bytesRemainingInVariablePart` is `0`. A fixed header that claims a non-zero Remaining Length for one of these types is silently accepted, and the leftover bytes are interpreted as another packet. The reporter's exact repro from #16851 is `C0 02 D0 00`: a `PINGREQ` with Remaining Length `2` (invalid per [MQTT 3.1.1](https://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html) and [MQTT 5.0](https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html), which both require Remaining Length `0` for `PINGREQ`) is currently decoded as a valid `PINGREQ` followed by a valid `PINGRESP`. Modification: Call `validateNoBytesRemain(0)` at the start of the `default` branch. The helper — already used by the `SUBSCRIBE` and `UNSUBSCRIBE` payload decoders — subtracts `0` from `bytesRemainingInVariablePart` and throws `DecoderException` when the result is non-zero, surfacing a single invalid message instead of letting leftover bytes leak into the next decode pass. Added `MqttCodecTest#testPingReqWithNonZeroRemainingLengthIsRejected` that feeds the reporter's exact byte sequence and verifies a single failed message is produced. Confirmed it fails on the unfixed code (`expected: <true> but was: <false>`) and passes with the fix; all 112 `codec-mqtt` tests pass locally. Result: Malformed payload-less MQTT frames are flagged as a single invalid message rather than allowed to silently spill into the next packet. The fix applies uniformly to every message type that goes through the `default` branch. Fixes #16851. --------- Co-authored-by: Norman Maurer <norman_maurer@apple.com> Co-authored-by: Chris Vest <christianvest_hansen@apple.com> (cherry picked from commit d89cf88)
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### What changes were proposed in this pull request? This PR aims to upgrade `Netty` to 4.2.15.Final. ### Why are the changes needed? To bring the latest bug fixes: - https://netty.io/news/2026/06/01/4-2-15-Final.html - [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in io.netty:netty-codec-haproxy (high). - [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in io.netty:netty-resolver-dns (high). - [CVE-2026-XXXXX](GHSA-563q-j3cm-6jxm): DDoS in io.netty:netty-codec-http2. - [CVE-2026-XXXXX](GHSA-5w86-c3rq-vjj7): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-XXXXX](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in io.netty:netty-codec-classes-quic. - [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in io.netty:netty-handler (high). - [CVE-2026-XXXXX](GHSA-hvcg-qmg6-jm4c): request smuggling in io.netty:netty-codec-http. - [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in io.netty:netty-codec-http3 (high). - [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in io.netty:netty-codec-haproxy (high). - [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in io.netty:netty-codec-classes-quic (high). - [CVE-2026-XXXXX](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in io.netty:netty-handler (high). - [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in io.netty:netty-resolver-dns. - [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in io.netty:netty-handler (high). - [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in io.netty:netty-transport-native-epoll and io.netty:netty-transport-native-kqueue. - [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in io.netty:netty-resolver-dns (high). - [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in io.netty:netty-transport-sctp (high). - [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in io.netty:netty-codec-http2. - [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in io.netty:netty-codec-http3 (high). - [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in io.netty:netty-codec-http2. - Fix race in io.netty.channel.uring.IoUringIoHandler.wakeup [#16836](netty/netty#16836) - HTTP/2: Parse request-target path like Vert.x [#16810](netty/netty#16810) - ChannelInitializer: correct misleading comment on exceptionCaught route [#16853](netty/netty#16853) - FlowControlHandler: Suppress duplicate channelReadComplete after draining queue [#16837](netty/netty#16837) - Pass maxAllocation to Brotli and Zstd decoders [#16844](netty/netty#16844) - Add maxWindowLog parameter to ZstdDecoder to bound memory allocation [#16850](netty/netty#16850) - MQTT: Reject malformed no-payload packets with non-zero Remaining Length [#16890](netty/netty#16890) ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the CIs. ### Was this patch authored or co-authored using generative AI tooling? Generated-by: Claude Opus 4.8 Closes #700 from dongjoon-hyun/SPARK-57272. Authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
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…ip ci] Bumps `netty.version` from 4.2.14.Final to 4.2.15.Final. Updates `io.netty:netty-transport` from 4.2.14.Final to 4.2.15.Final Release notes *Sourced from [io.netty:netty-transport's releases](https://github.com/netty/netty/releases).* > netty-4.2.15.Final > ------------------ > > Security fixes > -------------- > > * [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-XXXXX](GHSA-563q-j3cm-6jxm): DDoS in `io.netty:netty-codec-http2`. > * [CVE-2026-50011](GHSA-5w86-c3rq-vjj7): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-50009](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in `io.netty:netty-codec-classes-quic`. > * [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in `io.netty:netty-handler` (high). > * [CVE-2026-50020](GHSA-hvcg-qmg6-jm4c): request smuggling in `io.netty:netty-codec-http`. > * [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in `io.netty:netty-codec-classes-quic` (high). > * [CVE-2026-50010](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in `io.netty:netty-handler` (high). > * [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in `io.netty:netty-resolver-dns`. > * [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in `io.netty:netty-handler` (high). > * [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in `io.netty:netty-transport-native-epoll` and `io.netty:netty-transport-native-kqueue`. > * [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in `io.netty:netty-transport-sctp` (high). > * [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in `io.netty:netty-codec-http2`. > * [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in `io.netty:netty-codec-http2`. > > What's Changed > -------------- > > * Fix race in io.netty.channel.uring.IoUringIoHandler.wakeup by [`@dreamlike-ocean`](https://github.com/dreamlike-ocean) in [netty/netty#16836](https://redirect.github.com/netty/netty/pull/16836) > * HTTP/2: Parse request-target path like Vert.x by [`@yawkat`](https://github.com/yawkat) in [netty/netty#16810](https://redirect.github.com/netty/netty/pull/16810) > * Auto-port 4.2: ChannelInitializer: correct misleading comment on exceptionCaught route by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16853](https://redirect.github.com/netty/netty/pull/16853) > * FlowControlHandler: Suppress duplicate channelReadComplete after draining queue ([#15053](https://redirect.github.com/netty/netty/issues/15053)) by [`@schiemon`](https://github.com/schiemon) in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * Pass maxAllocation to Brotli and Zstd decoders by [`@fedinskiy`](https://github.com/fedinskiy) in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > * Fix revapi warnings by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16885](https://redirect.github.com/netty/netty/pull/16885) > * Fix SCTP and Redis tests by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16893](https://redirect.github.com/netty/netty/pull/16893) > * Add maxWindowLog parameter to ZstdDecoder to bound memory allocation by [`@skyguard1`](https://github.com/skyguard1) in [netty/netty#16850](https://redirect.github.com/netty/netty/pull/16850) > * Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remaining Length by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16890](https://redirect.github.com/netty/netty/pull/16890) > > New Contributors > ---------------- > > * [`@schiemon`](https://github.com/schiemon) made their first contribution in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * [`@fedinskiy`](https://github.com/fedinskiy) made their first contribution in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > > **Full Changelog**: <netty/netty@netty-4.2.14.Final...netty-4.2.15.Final> Commits * [`a41f7b2`](netty/netty@a41f7b2) [maven-release-plugin] prepare release netty-4.2.15.Final * [`2394530`](netty/netty@2394530) Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remain... * [`0bd1657`](netty/netty@0bd1657) Add maxWindowLog parameter to ZstdDecoder to bound memory allocation ([#16850](https://redirect.github.com/netty/netty/issues/16850)) * [`76291f5`](netty/netty@76291f5) Fix SCTP and Redis tests ([#16893](https://redirect.github.com/netty/netty/issues/16893)) * [`e067b6e`](netty/netty@e067b6e) Fix revapi warnings ([#16885](https://redirect.github.com/netty/netty/issues/16885)) * [`5a52600`](netty/netty@5a52600) Pass maxAllocation to Brotli and Zstd decoders ([#16844](https://redirect.github.com/netty/netty/issues/16844)) * [`541add0`](netty/netty@541add0) Merge commit from fork * [`270800e`](netty/netty@270800e) Merge commit from fork * [`3d45a1e`](netty/netty@3d45a1e) Merge commit from fork * [`75127ca`](netty/netty@75127ca) Merge commit from fork * Additional commits viewable in [compare view](netty/netty@netty-4.2.14.Final...netty-4.2.15.Final) Updates `io.netty:netty-codec` from 4.2.14.Final to 4.2.15.Final Release notes *Sourced from [io.netty:netty-codec's releases](https://github.com/netty/netty/releases).* > netty-4.2.15.Final > ------------------ > > Security fixes > -------------- > > * [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-XXXXX](GHSA-563q-j3cm-6jxm): DDoS in `io.netty:netty-codec-http2`. > * [CVE-2026-50011](GHSA-5w86-c3rq-vjj7): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-50009](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in `io.netty:netty-codec-classes-quic`. > * [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in `io.netty:netty-handler` (high). > * [CVE-2026-50020](GHSA-hvcg-qmg6-jm4c): request smuggling in `io.netty:netty-codec-http`. > * [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in `io.netty:netty-codec-classes-quic` (high). > * [CVE-2026-50010](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in `io.netty:netty-handler` (high). > * [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in `io.netty:netty-resolver-dns`. > * [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in `io.netty:netty-handler` (high). > * [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in `io.netty:netty-transport-native-epoll` and `io.netty:netty-transport-native-kqueue`. > * [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in `io.netty:netty-transport-sctp` (high). > * [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in `io.netty:netty-codec-http2`. > * [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in `io.netty:netty-codec-http2`. > > What's Changed > -------------- > > * Fix race in io.netty.channel.uring.IoUringIoHandler.wakeup by [`@dreamlike-ocean`](https://github.com/dreamlike-ocean) in [netty/netty#16836](https://redirect.github.com/netty/netty/pull/16836) > * HTTP/2: Parse request-target path like Vert.x by [`@yawkat`](https://github.com/yawkat) in [netty/netty#16810](https://redirect.github.com/netty/netty/pull/16810) > * Auto-port 4.2: ChannelInitializer: correct misleading comment on exceptionCaught route by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16853](https://redirect.github.com/netty/netty/pull/16853) > * FlowControlHandler: Suppress duplicate channelReadComplete after draining queue ([#15053](https://redirect.github.com/netty/netty/issues/15053)) by [`@schiemon`](https://github.com/schiemon) in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * Pass maxAllocation to Brotli and Zstd decoders by [`@fedinskiy`](https://github.com/fedinskiy) in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > * Fix revapi warnings by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16885](https://redirect.github.com/netty/netty/pull/16885) > * Fix SCTP and Redis tests by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16893](https://redirect.github.com/netty/netty/pull/16893) > * Add maxWindowLog parameter to ZstdDecoder to bound memory allocation by [`@skyguard1`](https://github.com/skyguard1) in [netty/netty#16850](https://redirect.github.com/netty/netty/pull/16850) > * Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remaining Length by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16890](https://redirect.github.com/netty/netty/pull/16890) > > New Contributors > ---------------- > > * [`@schiemon`](https://github.com/schiemon) made their first contribution in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * [`@fedinskiy`](https://github.com/fedinskiy) made their first contribution in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > > **Full Changelog**: <netty/netty@netty-4.2.14.Final...netty-4.2.15.Final> Commits * [`a41f7b2`](netty/netty@a41f7b2) [maven-release-plugin] prepare release netty-4.2.15.Final * [`2394530`](netty/netty@2394530) Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remain... * [`0bd1657`](netty/netty@0bd1657) Add maxWindowLog parameter to ZstdDecoder to bound memory allocation ([#16850](https://redirect.github.com/netty/netty/issues/16850)) * [`76291f5`](netty/netty@76291f5) Fix SCTP and Redis tests ([#16893](https://redirect.github.com/netty/netty/issues/16893)) * [`e067b6e`](netty/netty@e067b6e) Fix revapi warnings ([#16885](https://redirect.github.com/netty/netty/issues/16885)) * [`5a52600`](netty/netty@5a52600) Pass maxAllocation to Brotli and Zstd decoders ([#16844](https://redirect.github.com/netty/netty/issues/16844)) * [`541add0`](netty/netty@541add0) Merge commit from fork * [`270800e`](netty/netty@270800e) Merge commit from fork * [`3d45a1e`](netty/netty@3d45a1e) Merge commit from fork * [`75127ca`](netty/netty@75127ca) Merge commit from fork * Additional commits viewable in [compare view](netty/netty@netty-4.2.14.Final...netty-4.2.15.Final) Updates `io.netty:netty-handler` from 4.2.14.Final to 4.2.15.Final Release notes *Sourced from [io.netty:netty-handler's releases](https://github.com/netty/netty/releases).* > netty-4.2.15.Final > ------------------ > > Security fixes > -------------- > > * [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-XXXXX](GHSA-563q-j3cm-6jxm): DDoS in `io.netty:netty-codec-http2`. > * [CVE-2026-50011](GHSA-5w86-c3rq-vjj7): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-50009](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in `io.netty:netty-codec-classes-quic`. > * [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in `io.netty:netty-handler` (high). > * [CVE-2026-50020](GHSA-hvcg-qmg6-jm4c): request smuggling in `io.netty:netty-codec-http`. > * [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in `io.netty:netty-codec-classes-quic` (high). > * [CVE-2026-50010](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in `io.netty:netty-handler` (high). > * [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in `io.netty:netty-resolver-dns`. > * [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in `io.netty:netty-handler` (high). > * [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in `io.netty:netty-transport-native-epoll` and `io.netty:netty-transport-native-kqueue`. > * [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in `io.netty:netty-transport-sctp` (high). > * [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in `io.netty:netty-codec-http2`. > * [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in `io.netty:netty-codec-http2`. > > What's Changed > -------------- > > * Fix race in io.netty.channel.uring.IoUringIoHandler.wakeup by [`@dreamlike-ocean`](https://github.com/dreamlike-ocean) in [netty/netty#16836](https://redirect.github.com/netty/netty/pull/16836) > * HTTP/2: Parse request-target path like Vert.x by [`@yawkat`](https://github.com/yawkat) in [netty/netty#16810](https://redirect.github.com/netty/netty/pull/16810) > * Auto-port 4.2: ChannelInitializer: correct misleading comment on exceptionCaught route by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16853](https://redirect.github.com/netty/netty/pull/16853) > * FlowControlHandler: Suppress duplicate channelReadComplete after draining queue ([#15053](https://redirect.github.com/netty/netty/issues/15053)) by [`@schiemon`](https://github.com/schiemon) in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * Pass maxAllocation to Brotli and Zstd decoders by [`@fedinskiy`](https://github.com/fedinskiy) in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > * Fix revapi warnings by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16885](https://redirect.github.com/netty/netty/pull/16885) > * Fix SCTP and Redis tests by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16893](https://redirect.github.com/netty/netty/pull/16893) > * Add maxWindowLog parameter to ZstdDecoder to bound memory allocation by [`@skyguard1`](https://github.com/skyguard1) in [netty/netty#16850](https://redirect.github.com/netty/netty/pull/16850) > * Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remaining Length by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16890](https://redirect.github.com/netty/netty/pull/16890) > > New Contributors > ---------------- > > * [`@schiemon`](https://github.com/schiemon) made their first contribution in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * [`@fedinskiy`](https://github.com/fedinskiy) made their first contribution in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > > **Full Changelog**: <netty/netty@netty-4.2.14.Final...netty-4.2.15.Final> Commits * [`a41f7b2`](netty/netty@a41f7b2) [maven-release-plugin] prepare release netty-4.2.15.Final * [`2394530`](netty/netty@2394530) Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remain... * [`0bd1657`](netty/netty@0bd1657) Add maxWindowLog parameter to ZstdDecoder to bound memory allocation ([#16850](https://redirect.github.com/netty/netty/issues/16850)) * [`76291f5`](netty/netty@76291f5) Fix SCTP and Redis tests ([#16893](https://redirect.github.com/netty/netty/issues/16893)) * [`e067b6e`](netty/netty@e067b6e) Fix revapi warnings ([#16885](https://redirect.github.com/netty/netty/issues/16885)) * [`5a52600`](netty/netty@5a52600) Pass maxAllocation to Brotli and Zstd decoders ([#16844](https://redirect.github.com/netty/netty/issues/16844)) * [`541add0`](netty/netty@541add0) Merge commit from fork * [`270800e`](netty/netty@270800e) Merge commit from fork * [`3d45a1e`](netty/netty@3d45a1e) Merge commit from fork * [`75127ca`](netty/netty@75127ca) Merge commit from fork * Additional commits viewable in [compare view](netty/netty@netty-4.2.14.Final...netty-4.2.15.Final) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- Dependabot commands and options You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
mergify Bot
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Jun 7, 2026
…l [skip ci] Bumps [io.netty:netty-all](https://github.com/netty/netty) from 4.2.14.Final to 4.2.15.Final. Release notes *Sourced from [io.netty:netty-all's releases](https://github.com/netty/netty/releases).* > netty-4.2.15.Final > ------------------ > > Security fixes > -------------- > > * [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-XXXXX](GHSA-563q-j3cm-6jxm): DDoS in `io.netty:netty-codec-http2`. > * [CVE-2026-50011](GHSA-5w86-c3rq-vjj7): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-50009](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in `io.netty:netty-codec-classes-quic`. > * [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in `io.netty:netty-handler` (high). > * [CVE-2026-50020](GHSA-hvcg-qmg6-jm4c): request smuggling in `io.netty:netty-codec-http`. > * [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in `io.netty:netty-codec-haproxy` (high). > * [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in `io.netty:netty-codec-classes-quic` (high). > * [CVE-2026-50010](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in `io.netty:netty-handler` (high). > * [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in `io.netty:netty-resolver-dns`. > * [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in `io.netty:netty-handler` (high). > * [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in `io.netty:netty-transport-native-epoll` and `io.netty:netty-transport-native-kqueue`. > * [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in `io.netty:netty-resolver-dns` (high). > * [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in `io.netty:netty-transport-sctp` (high). > * [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in `io.netty:netty-codec-http2`. > * [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in `io.netty:netty-codec-redis` (high). > * [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in `io.netty:netty-codec-http3` (high). > * [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in `io.netty:netty-codec-http2`. > > What's Changed > -------------- > > * Fix race in io.netty.channel.uring.IoUringIoHandler.wakeup by [`@dreamlike-ocean`](https://github.com/dreamlike-ocean) in [netty/netty#16836](https://redirect.github.com/netty/netty/pull/16836) > * HTTP/2: Parse request-target path like Vert.x by [`@yawkat`](https://github.com/yawkat) in [netty/netty#16810](https://redirect.github.com/netty/netty/pull/16810) > * Auto-port 4.2: ChannelInitializer: correct misleading comment on exceptionCaught route by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16853](https://redirect.github.com/netty/netty/pull/16853) > * FlowControlHandler: Suppress duplicate channelReadComplete after draining queue ([#15053](https://redirect.github.com/netty/netty/issues/15053)) by [`@schiemon`](https://github.com/schiemon) in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * Pass maxAllocation to Brotli and Zstd decoders by [`@fedinskiy`](https://github.com/fedinskiy) in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > * Fix revapi warnings by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16885](https://redirect.github.com/netty/netty/pull/16885) > * Fix SCTP and Redis tests by [`@chrisvest`](https://github.com/chrisvest) in [netty/netty#16893](https://redirect.github.com/netty/netty/pull/16893) > * Add maxWindowLog parameter to ZstdDecoder to bound memory allocation by [`@skyguard1`](https://github.com/skyguard1) in [netty/netty#16850](https://redirect.github.com/netty/netty/pull/16850) > * Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remaining Length by [`@netty-project-bot`](https://github.com/netty-project-bot) in [netty/netty#16890](https://redirect.github.com/netty/netty/pull/16890) > > New Contributors > ---------------- > > * [`@schiemon`](https://github.com/schiemon) made their first contribution in [netty/netty#16837](https://redirect.github.com/netty/netty/pull/16837) > * [`@fedinskiy`](https://github.com/fedinskiy) made their first contribution in [netty/netty#16844](https://redirect.github.com/netty/netty/pull/16844) > > **Full Changelog**: <netty/netty@netty-4.2.14.Final...netty-4.2.15.Final> Commits * [`a41f7b2`](netty/netty@a41f7b2) [maven-release-plugin] prepare release netty-4.2.15.Final * [`2394530`](netty/netty@2394530) Auto-port 4.2: MQTT: Reject malformed no-payload packets with non-zero Remain... * [`0bd1657`](netty/netty@0bd1657) Add maxWindowLog parameter to ZstdDecoder to bound memory allocation ([#16850](https://redirect.github.com/netty/netty/issues/16850)) * [`76291f5`](netty/netty@76291f5) Fix SCTP and Redis tests ([#16893](https://redirect.github.com/netty/netty/issues/16893)) * [`e067b6e`](netty/netty@e067b6e) Fix revapi warnings ([#16885](https://redirect.github.com/netty/netty/issues/16885)) * [`5a52600`](netty/netty@5a52600) Pass maxAllocation to Brotli and Zstd decoders ([#16844](https://redirect.github.com/netty/netty/issues/16844)) * [`541add0`](netty/netty@541add0) Merge commit from fork * [`270800e`](netty/netty@270800e) Merge commit from fork * [`3d45a1e`](netty/netty@3d45a1e) Merge commit from fork * [`75127ca`](netty/netty@75127ca) Merge commit from fork * Additional commits viewable in [compare view](netty/netty@netty-4.2.14.Final...netty-4.2.15.Final) [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- Dependabot commands and options You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
dongjoon-hyun
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Jun 8, 2026
### What changes were proposed in this pull request? This PR aims to upgrade `Netty` to 4.2.15.Final. ### Why are the changes needed? To bring the latest bug fixes: - https://netty.io/news/2026/06/01/4-2-15-Final.html - [CVE-2026-48059](GHSA-h2qv-fj59-j46j): memory exhaustion in io.netty:netty-codec-haproxy (high). - [CVE-2026-47691](GHSA-5pvg-856g-cp85): DNS cache poisoning in io.netty:netty-resolver-dns (high). - [CVE-2026-50560](GHSA-563q-j3cm-6jxm): DDoS in io.netty:netty-codec-http2. - [CVE-2026-50011](GHSA-5w86-c3rq-vjj7): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-44250](GHSA-3244-j874-rhc2): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-44890](GHSA-6ghj-frrj-jjj3): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-50009](GHSA-cq4q-cv5g-r8q5): information disclosure and denial of service in io.netty:netty-codec-classes-quic. - [CVE-2026-44249](GHSA-3qp7-7mw8-wx86): IPv6 subnet filter bypass in io.netty:netty-handler (high). - [CVE-2026-50020](GHSA-hvcg-qmg6-jm4c): request smuggling in io.netty:netty-codec-http. - [CVE-2026-44892](GHSA-c2rx-5r8w-8xr2): memory exhaustion in io.netty:netty-codec-http3 (high). - [CVE-2026-44893](GHSA-cc37-9q2j-3hfv): memory leak in io.netty:netty-codec-haproxy (high). - [CVE-2026-44894](GHSA-cmm3-54f8-px4j): traffic amplification in io.netty:netty-codec-classes-quic (high). - [CVE-2026-50010](GHSA-c653-97m9-rcg9): TLS hostname verification accidentally disabled in io.netty:netty-handler (high). - [CVE-2026-45673](GHSA-xmv7-r254-6q78): DNS cache poisoning in io.netty:netty-resolver-dns. - [CVE-2026-45416](GHSA-x4gw-5cx5-pgmh): excessive memory usage from SNIHandler in io.netty:netty-handler (high). - [CVE-2026-45536](GHSA-w573-9ffj-6ff9): file descriptor leak in io.netty:netty-transport-native-epoll and io.netty:netty-transport-native-kqueue. - [CVE-2026-45674](GHSA-676x-f7gg-47vc): DNS cache poisoning in io.netty:netty-resolver-dns (high). - [CVE-2026-46340](GHSA-5xrh-qmmq-w6ch): memory exhaustion in io.netty:netty-transport-sctp (high). - [CVE-2026-47244](GHSA-5x3r-wrvg-rp6q): denial of service in io.netty:netty-codec-http2. - [CVE-2026-48006](GHSA-6jv9-x5w9-2ccm): memory exhaustion in io.netty:netty-codec-redis (high). - [CVE-2026-48748](GHSA-4grm-h2qv-h6w6): memory exhaustion in io.netty:netty-codec-http3 (high). - [CVE-2026-48043](GHSA-c2gf-v879-257j): memory exhaustion in io.netty:netty-codec-http2. - netty/netty#16836 - netty/netty#16810 - netty/netty#16853 - netty/netty#16837 - netty/netty#16844 - netty/netty#16850 - netty/netty#16890 - https://netty.io/news/2026/05/20/4-2-14-Final.html - netty/netty#16747 - netty/netty#16759 - netty/netty#16767 - netty/netty#16781 - netty/netty#16788 ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the CIs. ### Was this patch authored or co-authored using generative AI tooling? Generated-by: Claude Opus 4.8 Closes #56373 from dongjoon-hyun/SPARK-57320. Authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
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Auto-port of #16852 to 4.2
Cherry-picked commit: d89cf88
Motivation:
MqttDecoder.decodePayload'sdefaultbranch returnsnullfor payload-less message types (PINGREQ,PINGRESP,DISCONNECT,AUTH,CONNACK,PUBACK,PUBREC,PUBREL,PUBCOMP) without checking thatbytesRemainingInVariablePartis0. A fixed header that claims a non-zero Remaining Length for one of these types is silently accepted, and the leftover bytes are interpreted as another packet.The reporter's exact repro from #16851 is
C0 02 D0 00: aPINGREQwith Remaining Length2(invalid per MQTT 3.1.1 and MQTT 5.0, which both require Remaining Length0forPINGREQ) is currently decoded as a validPINGREQfollowed by a validPINGRESP.Modification:
Call
validateNoBytesRemain(0)at the start of thedefaultbranch. The helper — already used by theSUBSCRIBEandUNSUBSCRIBEpayload decoders — subtracts0frombytesRemainingInVariablePartand throwsDecoderExceptionwhen the result is non-zero, surfacing a single invalid message instead of letting leftover bytes leak into the next decode pass.Added
MqttCodecTest#testPingReqWithNonZeroRemainingLengthIsRejectedthat feeds the reporter's exact byte sequence and verifies a single failed message is produced. Confirmed it fails on the unfixed code (expected: <true> but was: <false>) and passes with the fix; all 112codec-mqtttests pass locally.Result:
Malformed payload-less MQTT frames are flagged as a single invalid message rather than allowed to silently spill into the next packet. The fix applies uniformly to every message type that goes through the
defaultbranch.Fixes #16851.