Sophos Anti-Virus for Windows before 7.6.3 Anti-Virus for Windows NT/9x before 4.7.18 Anti-Virus for OS X before 4.9.18 Anti-Virus for Linux before 6.4.5 Anti-Virus for UNIX before 7.0.5 Anti-Virus for Unix and Netware before 4.37.0 Sophos EM Library and Sophos small business solutions when CAB archive scanning is enabled allows remote attackers to cause a denial of service (segmentation fault) via a \fuzzed\ CAB archive file as demonstrated by the OUSPG PROTOS GENOME test suite for Archive Formats.