Ubuntu Security Notice 5807-2 - USN-5807-1 fixed vulnerabilities in libXpm. This update provides the corresponding updates for Ubuntu 16.04 ESM. Martin Ettl discovered that libXpm incorrectly handled certain XPM files. If a user or automated system were tricked into opening a specially crafted XPM file, a remote attacker could possibly use this issue to cause libXpm to stop responding, resulting in a denial of service.
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