Debian: DSA-5380-1 Critical: xorg-server Privilege Escalation
debian
March 29, 2023
Jan-Niklas Sohn discovered that a user-after-free flaw in the Composite extension of the X.org X server may result in privilege escalation if the X server is running under the root...
Summary
For the stable distribution (bullseye), this problem has been fixed in
version 2:1.20.11-1+deb11u6.
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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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Package: xorg-server
CVE ID: CVE-2023-1393
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