USN-6371-1: libssh2 vulnerability

14 September 2023

libssh2 could be made to crash if it received specially crafted network traffic.

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Releases

Packages

  • libssh2 - Client-side C library implementing the SSH2 protocol

Details

It was discovered that libssh2 incorrectly handled memory
access. An attacker could possibly use this issue to cause
a crash.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References