1. Ubuntu Security Notices
  2. USN-5843-1

USN-5843-1: tmux vulnerability

Publication date

6 February 2023

Overview

tmux could be made to crash if it received a specially crafted input.

Releases

Packages

  • tmux - terminal multiplexer

Details

It was discovered that tmux incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.

It was discovered that tmux incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic tmux –  3.3a-1ubuntu0.1
22.04 jammy tmux –  3.2a-4ubuntu0.2
20.04 focal tmux –  3.0a-2ubuntu0.4
18.04 bionic tmux –  2.6-3ubuntu0.3
16.04 xenial tmux –  2.1-3ubuntu0.1~esm1  
14.04 trusty tmux –  1.8-5ubuntu0.1~esm1  

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References

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