CVE-2006-5646

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 17.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-11-01 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when archive scanning is enabled, allows remote attackers to trigger a denial of service (memory corruption) via a CHM file with an LZX decompression header that specifies a Window_size of 0.

Affected products

Sophos Anti-Virus: 4.04, 4.05, 4.5.3, 4.5.4, 4.5.11, 4.5.12 (+9)
Sophos Endpoint Security: through 6.04

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=452
http://secunia.com/advisories/22591
http://securitytracker.com/id?1017132
http://www.securityfocus.com/bid/20816
http://www.sophos.com/support/knowledgebase/article/7609.html
http://www.vupen.com/english/advisories/2006/4239
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=452
http://secunia.com/advisories/22591
http://securitytracker.com/id?1017132
http://www.securityfocus.com/bid/20816
http://www.sophos.com/support/knowledgebase/article/7609.html
http://www.vupen.com/english/advisories/2006/4239

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