Ubuntu Security Notice USN-767-1 - Tavis Ormandy discovered that FreeType did not correctly handle certain large values in font files. If a user were tricked into using a specially crafted font file, a remote attacker could execute arbitrary code with user privileges.
fcbb530895e7326fb202a6aa414fe44c0b4fd21bd3539ceb6f9c9b6147a1e569