Multiple Sophos Anti-Virus products, including Anti-Virus for Windows 5.x before 5.2.1 and 4.x before 4.05, when cabinet file inspection is enabled, allows remote attackers to execute arbitrary code via a CAB file with "invalid folder count values," which leads to heap corruption.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26305
http://www.zerodayinitiative.com/advisories/ZDI-06-012.html
http://www.vupen.com/english/advisories/2006/1730
http://www.securityfocus.com/bid/17876
http://securitytracker.com/id?1016041
http://securityreason.com/securityalert/869
http://secunia.com/advisories/20028
http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/045897.html