Ubuntu Security Notice 2132-1 - Aleksis Kauppinen, Joonas Kuorilehto and Tuomas Parttimaa discovered that ImageMagick incorrectly handled certain restart markers in JPEG images. If a user or automated system using ImageMagick were tricked into opening a specially crafted JPEG image, an attacker could exploit this to cause memory consumption, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. It was discovered that ImageMagick incorrectly handled decoding certain PSD images. If a user or automated system using ImageMagick were tricked into opening a specially crafted PSD image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program. Various other issues were also addressed.
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