Ubuntu Security Notice USN-692-1 - It was discovered that the Gadu library, used by some Instant Messaging clients, did not correctly verify certain packet sizes from the server. If a user connected to a malicious server, clients using Gadu could be made to crash, leading to a denial of service.
0d5d653bb13b308e4224fe63a118442a54a5dfe8f1841534090c628d631a62ff