Ubuntu Security Notice USN-5843-1
February 06, 2023
tmux vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 ESM
– Ubuntu 14.04 ESM
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.
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.
References:
https://ubuntu.com/security/notices/USN-5843-1
CVE-2022-47016
Package Information:
https://launchpad.net/ubuntu/+source/tmux/3.3a-1ubuntu0.1
https://launchpad.net/ubuntu/+source/tmux/3.2a-4ubuntu0.2
https://launchpad.net/ubuntu/+source/tmux/3.0a-2ubuntu0.4
https://launchpad.net/ubuntu/+source/tmux/2.6-3ubuntu0.3
