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[USN-8862-1] libXpm vulnerability

Posted on 01 October 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8862-1
October 01, 2026

libxpm vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

libXpm could be made to crash if it opened a specially crafted file.

Software Description:
- libxpm: X11 pixmap library

Details:

It was discovered that libXpm did not correctly handle XPM images with
zero-dimension values. A local attacker could possibly use this issue to
cause libXpm to use excessive resources, leading to a denial of service.

Update instructions:

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

Ubuntu 26.04 LTS
libxpm4 1:3.5.17-1ubuntu0.26.04.2
xpmutils 1:3.5.17-1ubuntu0.26.04.2

Ubuntu 24.04 LTS
libxpm4 1:3.5.17-1ubuntu0.24.04.2
xpmutils 1:3.5.17-1ubuntu0.24.04.2

Ubuntu 22.04 LTS
libxpm4 1:3.5.12-1ubuntu0.22.04.4
xpmutils 1:3.5.12-1ubuntu0.22.04.4

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

References:
https://ubuntu.com/security/notices/USN-8862-1
CVE-2026-94287

Package Information:
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.17-1ubuntu0.26.04.2
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.17-1ubuntu0.24.04.2
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.22.04.4

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