X.Org X Server regression

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• xorg-server - X.Org X11 server
• xwayland - X server for running X clients under Wayland

Details

USN-6721-1 fixed vulnerabilities in X.Org X Server. That fix was incomplete
resulting in a regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)

It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)