Ubuntu 22.10: Tmux Denial Of Service Vulnerability - Moderate Severity

ubuntu

February 6, 2023

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

Summary

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

Software Description:

- 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.

Topics Covered

security advisory denial of service Ubuntu moderate severity input handling tmux

Update Instructions

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

Ubuntu 22.10:
  tmux                            3.3a-1ubuntu0.1

Ubuntu 22.04 LTS:
  tmux                            3.2a-4ubuntu0.2

Ubuntu 20.04 LTS:
  tmux                            3.0a-2ubuntu0.4

Ubuntu 18.04 LTS:
  tmux                            2.6-3ubuntu0.3

Ubuntu 16.04 ESM:
  tmux                            2.1-3ubuntu0.1~esm1

Ubuntu 14.04 ESM:
  tmux                            1.8-5ubuntu0.1~esm1

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