========================================================================== Ubuntu Security Notice USN-3410-2 September 05, 2017
libgd2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: GD library could be made to crash if it opened a specially crafted file. Software Description: - libgd2: GD Graphics Library Details: USN-3410-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that the GD Graphics Library (aka libgd) incorrectly handled certain malformed PNG images. A remote attacker could use this issue to cause the GD Graphics Library to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libgd-tools 2.0.36~rc1~dfsg-6ubuntu2.6 libgd2-noxpm 2.0.36~rc1~dfsg-6ubuntu2.6 libgd2-xpm 2.0.36~rc1~dfsg-6ubuntu2.6 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3410-2 https://www.ubuntu.com/usn/usn-3410-1 CVE-2017-6362
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