title: Red Hat Security Advisory: userspace graphics, xorg-x11, and mesa security, bug fix, and enhancement update
description: libX11: Heap overflow in the X input method client xorg-x11-server: Out-of-bounds access in XkbSetNames function xorg-x11-server: Integer underflow in the X input extension protocol xorg-x11-server: Leak of uninitialized heap memory from the X server to clients in AllocatePixmap of dix/pixmap.c xorg-x11-server: Out-of-bounds access in XkbSetMap function xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability libX11: integer overflow leads to double free in locale handling xorg-x11-server: XkbSetDeviceInfo heap-based buffer overflow privilege escalation vulnerability
cpes: cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb