What’s Vulnerable › Vulnerabilities

CVE-2006-5647

• Severity: medium (CVSS 6.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.1% 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

Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11 allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a malformed CHM file with a large name length in the CHM chunk header, aka "CHM name length memory consumption vulnerability."

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=451
• 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=451
• 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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