USN-8971-1: GNOME Shell vulnerability

Publication date

3 November 2026

Overview

GNOME Shell could be made to crash or expose sensitive information if it received specially crafted input.


Packages

Details

It was discovered that GNOME Shell did not properly validate icon
dimensions when processing icons from a remote search provider. An
attacker could possibly use this issue to cause GNOME Shell to crash,
resulting in a denial of service, or expose sensitive information from
memory.

It was discovered that GNOME Shell did not properly validate icon
dimensions when processing icons from a remote search provider. An
attacker could possibly use this issue to cause GNOME Shell to crash,
resulting in a denial of service, or expose sensitive information from
memory.

Update instructions

After a standard system update you need to restart your session to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
26.04 LTS resolute gnome-shell –  50.1-0ubuntu1.5
24.04 LTS noble gnome-shell –  46.0-0ubuntu6~24.04.17
22.04 LTS jammy gnome-shell –  42.9-0ubuntu2.4

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›