Ubuntu Security Notice 1866-1 - 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.
597b88383ee022838e470d1e92a9710724379f0ccfaa7afb24408e3f417013b7
Debian Linux Security Advisory 2689-1 - Ilja van Sprundel of IOActive discovered several security issues in multiple components of the X.org graphics stack and the related conversions, buffer overflows, memory corruption and missing input sanitizing may lead to privilege escalation or denial of service.
5cc52699b441bc1fde71e455aa292c458d738dc72983d9f99b443c8d35a2626b