Ubuntu Security Notice 945-1 – It was discovered that ClamAV did not properly reallocate memory when processing certain PDF files. A remote attacker could send a specially crafted PDF and crash ClamAV. An out of bounds memory access flaw was discovered in ClamAV. A remote attacker could send a specially crafted Portable Executable (PE) file and crash ClamAV. This issue only affected Ubuntu 10.04 LTS.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/90026/USN-945-1.txt
Source: https://packetstormsecurity.com/files/90026/Ubuntu-Security-Notice-945-1.html