Ubuntu Security Notice 3080-1 – Eric Soroos discovered that the Python Imaging Library incorrectly handled certain malformed FLI or PhotoCD files. A remote attacker could use this issue to cause Python Imaging Library to crash, resulting in a denial of service. Andrew Drake discovered that the Python Imaging Library incorrectly validated input. A remote attacker could use this to cause Python Imaging Library to crash, resulting in a denial of service. Various other issues were also addressed.