Red Hat Security Advisory 2021-1804-01 - 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. Mesa provides a 3D graphics API that is compatible with Open Graphics Library. It also provides hardware-accelerated drivers for many popular graphics chips. Issues addressed include buffer overflow, double free, heap overflow, integer overflow, out of bounds access, and privilege escalation vulnerabilities.
a0eb31ee60b869926b5920d6d4ca80b41a0a61a26873ffc06058a362c0cef600Gentoo Linux Security Advisory 202012-1 - Multiple vulnerabilities have been found in X.org X Server, the worst of which could lead to privilege escalation. Versions less than 1.20.10 are affected.
e338a9191bb721a8fe6a529b7066bb7924fb8788ff15ee0fa8bf183494cabc1cRed Hat Security Advisory 2020-4953-01 - 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 out of bounds access and privilege escalation vulnerabilities.
b887a9aca316a1bac18d59938b9cc80c6bdbfdc1ed45efed99383dda49fb1b0eRed Hat Security Advisory 2020-4910-01 - 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 out of bounds access and privilege escalation vulnerabilities.
885e28a4cddb90712f1d40d4e402b95fc30792b6710f4e20bd499c21c9e076d4Debian Linux Security Advisory 4758-1 - Several vulnerabilities have been discovered in the X.Org X server. Missing input sanitising in X server extensions may result in local privilege escalation if the X server is configured to run with root privileges. In addition an ASLR bypass was fixed.
f766d86a2ab873536eefe0870f0c90e55ca00d335094de674bfbccbfff6552d7Ubuntu Security Notice 4488-2 - USN-4488-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could possibly use this issue to obtain sensitive information. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSelectEvents function. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XRecordRegisterClients function. A local attacker could possibly use this issue to escalate privileges.
4f5dfb2d15e64b00f7486618e2c2116c4886e5d1d5080e38d28625792b727b73Ubuntu Security Notice 4488-1 - Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could possibly use this issue to obtain sensitive information. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSelectEvents function. A local attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.
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