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High USN-5846-1 1 CVE

xorg-server, xorg-server-hwe-18.04, xwayland vulnerability

Published Feb 7, 2023 · Updated Apr 22, 2026

Summary

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain memory operations. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
privileges.

Fixed packages 5

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS xorg-server 2:1.19.6-1ubuntu4.14
Ubuntu · 18.04 LTS 18.04:LTS xorg-server-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10
Ubuntu · 20.04 LTS 20.04:LTS xorg-server 2:1.20.13-1ubuntu1~20.04.6
Ubuntu · 22.04 LTS 22.04:LTS xorg-server 2:21.1.3-2ubuntu2.7
Ubuntu · 22.04 LTS 22.04:LTS xwayland 2:22.1.1-1ubuntu0.5

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2023-0494