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Alerts This Week
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Debian 11 DLA-4072-1 Critical: xorg-server Privilege Escalation Advisory

debian lts
Calendar Grey February 28, 2025
Dist Debian Esm H88
The Ubuntu Security Notice USN-1234-1 details vulnerabilities in the kernel which could lead to user impersonation.
Jan-Niklas Sohn discovered several vulnerabilities in the Xorg X server, which may result in privilege escalation if the X server is running privileged
Topics%20covered

Topics Covered

security advisory debian privilege escalation critical severity xorg-server CVE-2025-26594

Summary

Jan-Niklas Sohn discovered several vulnerabilities in the Xorg X server,
which may result in privilege escalation if the X server is running
privileged.


For Debian 11 bullseye, these problems have been fixed in version
2:1.20.11-1+deb11u15.

We recommend that you upgrade your xorg-server packages.

For the detailed security status of xorg-server please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/xorg-server

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: xorg-server
Version: 2:1.20.11-1+deb11u15
CVE ID: CVE-2025-26594 CVE-2025-26595 CVE-2025-26596

Topics%20covered

Topics Covered

security advisory debian privilege escalation critical severity xorg-server CVE-2025-26594

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