Gentoo Linux Security Advisory 202401-30 - Multiple vulnerabilities have been discovered in the Xorg Server and XWayland, the worst of which can result in privilege escalation or remote code execution. Versions greater than or equal to 21.1.11 are affected.
545eafd3a0b182303f26482ca1690edf1334c8c351327115bef40159e3e46634Ubuntu Security Notice 6453-2 - USN-6453-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled prepending values to certain properties. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges.
89f1be48ed5cce8b06a6488cd2af46b1ad1433239e258f605714fac81856c050Ubuntu Security Notice 6453-1 - Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled prepending values to certain properties. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. Sri discovered that the X.Org X Server incorrectly handled destroying windows in certain legacy multi-screen setups. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges.
c2c6ee124f31fc5cfe2f269fc319393d122f370639f673b1bfb2bbba8f0bb1f9Debian Linux Security Advisory 5534-1 - Jan-Niklas Sohn discovered several vulnerabilities in the Xorg X server, which may result in privilege escalation if the X server is running privileged.
2d877389e6dc5bf119f1d41ac788f45ac3278834d8f069872721785ab249a780
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