========================================================================== Ubuntu Security Notice USN-3513-2 December 13, 2017
libxml2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: libxml2 could be made to crash or run arbitrary code if it opened a specially crafted file. Software Description: - libxml2: GNOME XML library Details: USN-3513-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libxml2 incorrecty handled certain files. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libxml2 2.7.8.dfsg-5.1ubuntu4.20 libxml2-utils 2.7.8.dfsg-5.1ubuntu4.20 python-libxml2 2.7.8.dfsg-5.1ubuntu4.20 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3513-2 https://www.ubuntu.com/usn/usn-3513-1 CVE-2017-15412
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