USN-6407-2: libx11 vulnerabilities

USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked...

USN-6407-1: libx11 vulnerabilities

Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3758-2: libx11 vulnerabilities

USN-3758-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Tobias Stoeckmann discovered that libx11 incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information...