Ubuntu Security Notice 4905-2 - USN-4905-1 fixed a vulnerability in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
ddaa7cc761396fe87989a4450ee207afb429d851105cc15c59dc39dc67d7f8c1Red Hat Security Advisory 2021-2033-01 - X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Issues addressed include a privilege escalation vulnerability.
71e927fc4abf2579eb4cf27813669da4dcea3de895d6b9d15551db2034d375d5Gentoo Linux Security Advisory 202104-2 - A vulnerability in X.Org X Server may allow users to escalate privileges. Versions less than 1.20.11 are affected.
a2b1708051bf9ef33bdd436ffce708cfd254521c7c6070c987b74631627084f1Debian Linux Security Advisory 4893-1 - Jan-Niklas Sohn discovered that missing input sanitising in the XInput extension of the X.org X server may result in privilege escalation if the X server is running privileged.
fca9892ceaa552967e97ff8b515414e8335d4aac2313b7bc5bf3a80a7f6744a6Ubuntu Security Notice 4905-1 - Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code.
4459762b858227b182cf6edf99ec5c603a39341361b44501876cf4e9591de418
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