Integer signedness error in the AV engine before DAT 8145, as used in McAfee LiveSafe 14.0, allows remote attackers to cause a denial of service (memory corruption and crash) via a crafted packed executable.
https://bugs.chromium.org/p/project-zero/issues/detail?id=817
http://packetstormsecurity.com/files/136907/McAfee-Relocation-Processing-Memory-Corruption.html