- ------------------------------------------------------------------------- Debian Security Advisory DSA-5380-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso March 29, 2023 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : xorg-server CVE ID : CVE-2023-1393 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 user. 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/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: [email protected]