CVE-2020-14344

Se encontró un desbordamiento de enteros conllevando a un desbordamiento del búfer de la pila en el cliente X Input Method (XIM), se implementó en libX11 anterior a la versión 1.6.10. Según aguas arriba, esto es relevante para la seguridad cuando los programas setuid llaman a las funciones del cliente XIM mientras se ejecutan con privilegios elevados. Dichos programas no son incluidos con Red Hat Enterprise Linux

A flaw was found in libX11. An integer overflow leading to a heap-buffer overflow occurs when setuid programs call XIM client functions while running with elevated privileges. The highest threat from this vulnerability are to data confidentiality and integrity as well as system vulnerability.

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.