Vulnerability Report

CVE-2006-5645

Title: Sophos Anti-Virus Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2006-5645

CWE Category CWE-399

Published Date Nov 01, 2006

Modified Date Jun 16, 2026

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

17.38%

Vulnerability Summary

CVE-2006-5645: 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 "Enabled scanning of archives" is set, allows remote attackers to cause a denial of service (infinite loop) via a malformed RAR archive with an Archive Header section with the head_size and pack_size fields set to zero.

Impacted Vendors

Reference Links

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=439 http://secunia.com/advisories/22591 http://securitytracker.com/id?1017132 http://www.securityfocus.com/archive/1/474683/100/0/threaded http://www.securityfocus.com/bid/20816 http://www.securitytracker.com/id?1018450 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=439 http://secunia.com/advisories/22591 http://securitytracker.com/id?1017132 http://www.securityfocus.com/archive/1/474683/100/0/threaded http://www.securityfocus.com/bid/20816 http://www.securitytracker.com/id?1018450 http://www.sophos.com/support/knowledgebase/article/7609.html http://www.vupen.com/english/advisories/2006/4239

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-5645 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/2912

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

November 01, 2006 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.