[SECURITY] [DSA 6121-1] tomcat11 security update
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Debian Security Advisory DSA-6121-1 security@debian.org
https://www.debian.org/security/ Markus Koschany
February 05, 2026 https://www.debian.org/security/faq
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Package : tomcat11
CVE ID : CVE-2025-46701 CVE-2025-48976 CVE-2025-48988 CVE-2025-48989
CVE-2025-49125 CVE-2025-52520 CVE-2025-53506 CVE-2025-55668
CVE-2025-55752 CVE-2025-55754 CVE-2025-61795
Debian Bug : 1106821 1108118 1108116 1111096 1108114 1109111 1109113 1111098
Several security vulnerabilities have been found in Tomcat 11, a Java web
server and servlet engine. This update improves the handling of HTTP/2
connections and corrects various flaws which can lead to uncontrolled resource
consumption and a denial of service.
For the stable distribution (trixie), these problems have been fixed in
version 11.0.15-1~deb13u1.
We recommend that you upgrade your tomcat11 packages.
For the detailed security status of tomcat11 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tomcat11
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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