USN-5428-1: libXrandr vulnerabilities

Tobias Stoeckmann discovered that libXrandr incorrectly handled certain responses. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. CVE-2016-7947, CVE-2016-7948...

USN-1862-1: libxrandr vulnerability

Ilja van Sprundel discovered multiple security issues in various X.org libraries and components. An attacker could use these issues to cause applications to crash, resulting in a denial of service, or possibly execute arbitrary code...