System information

Geth version: v1.1.5
OS & Version: Windows/Linux/OSX

A DoS vulnerabilities fixed in go-ethereum v1.10.9.

A vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer, via the snap/1 protocol. The crash can be triggered by sending a malicious snap/1 GetTrieNodes package.

More details please check the report and the upstream PR