Ubuntu Security Notice 2051-1 - Murray McAllister discovered that GIMP incorrectly handled malformed XWD files. If a user were tricked into opening a specially crafted XWD file, an attacker could cause GIMP to crash, or possibly execute arbitrary code with the user's privileges.
8493a8639e296e4dbd702fff7bd13f9491d9ab10e39063a4d86e79c6f7cec8a4