========================================================================== Ubuntu Security Notice USN-3712-2 July 11, 2018
libpng vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: libpng could be made to crash if it received a specially crafted file. Software Description: - libpng: PNG (Portable Network Graphics) file library Details: USN-3712-1 fixed a vulnerability in libpng. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Patrick Keshishian discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libpng12-0 1.2.46-3ubuntu4.3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3712-2 https://usn.ubuntu.com/usn/usn-3712-1 CVE-2016-10087
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