Ubuntu Security Notice 4111-1 - Hiroki Matsukuma discovered that the PDF interpreter in Ghostscript did not properly restrict privileged calls when -dSAFER restrictions were in effect. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files.
1d8927fb5ab42e83bac5c9d5b553f9406fcbe964befd3851ce63f6117f2e091d