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[USN-8602-1] libinput vulnerability

Posted on 30 July 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8602-1
July 23, 2026

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

libinput could be made to run programs as an administrator.

Software Description:
- libinput: Input device management and event handling library

Details:

It was discovered that libinput did not properly escape device
properties. A local attacker could possibly use this issue to inject
arbitrary udev properties and execute arbitrary code as root.

Update instructions:

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

Ubuntu 22.04 LTS
libinput-bin 1.20.0-1ubuntu0.4
libinput-dev 1.20.0-1ubuntu0.4
libinput10 1.20.0-1ubuntu0.4

Ubuntu 20.04 LTS
libinput-bin 1.15.5-1ubuntu0.3+esm1
Available with Ubuntu Pro
libinput-dev 1.15.5-1ubuntu0.3+esm1
Available with Ubuntu Pro
libinput10 1.15.5-1ubuntu0.3+esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8602-1
CVE-2026-50292

Package Information:
https://launchpad.net/ubuntu/+source/libinput/1.20.0-1ubuntu0.4

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