Ubuntu Security Notice 4316-2 - USN-4316-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could possibly use this issue to cause GD Graphics Library to crash, resulting in a denial of service. Various other issues were also addressed.
218deee73665281bbc104f7e4be70fad037f2c3a97d9f6ad8071ad2285fb68cf