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Debian Security Advisory DSA-5342-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
February 07, 2023 https://www.debian.org/security/faq
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Package : xorg-server
CVE ID : CVE-2023-0494
Debian Bug : 1030777
Jan-Niklas Sohn discovered that a user-after-free flaw in the X Input
extension of the X.org X server may result in privilege escalation if
the X server is running under the root user.
For the stable distribution (bullseye), this problem has been fixed in
version 2:1.20.11-1+deb11u5.
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/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/
Mailing list: debian-security-announce@lists.debian.org
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