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Gentoo Linux Security Advisory GLSA 202409-27

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                                       https://security.gentoo.org/  

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Severity: Normal
Title: tmux: Null Pointer Dereference
Date: September 28, 2024
Bugs: #891783
ID: 202409-27

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Synopsis

A vulnerability has been found in tmux which could result in application
crash.

Background

tmux is a terminal multiplexer.

Affected packages

Package Vulnerable Unaffected

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app-misc/tmux < 3.4 >= 3.4

Description

A null pointer dereference issue was discovered in function
window_pane_set_event in window.c in which allows attackers to cause
denial of service or other unspecified impacts.

Impact

Manipulating tmux window state could result in a null pointer
dereference.

Workaround

There is no known workaround at this time.

Resolution

All tmux users should upgrade to the latest version:

emerge --sync

emerge --ask --oneshot --verbose “>=app-misc/tmux-3.4”

References

[ 1 ] CVE-2022-47016
https://nvd.nist.gov/vuln/detail/CVE-2022-47016

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202409-27

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5