Ubuntu Security Notice 941-1 – It was discovered that MoinMoin incorrectly handled hierarchical access control lists. Users could bypass intended access controls under certain circumstances.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89764/USN-941-1.txt
Source: https://packetstormsecurity.com/files/89764/Ubuntu-Security-Notice-941-1.html