xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability

A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window aka COW, where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free...

PT-2016-7438 · X.Org +3 · Libxi +3

Name of the Vulnerable Software and Affected Versions: X.org libXi versions prior to 1.7.7 Description: The issue involves multiple integer overflows that can be exploited by remote X servers, leading to a denial of service. This can result in out-of-bounds memory access or an infinite loop,...