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Vulnerability record · CVE-2006-6335 · published 12 December 2006

CVE-2006-6335: Sophos anti-virus vulnerability

Sophos · Sophos Anti Virus

Multiple buffer overflows in Sophos Anti-Virus scanning engine before 2.40 allow remote attackers to execute arbitrary code via (1) a SIT archive with a long filename that is not null-terminated, which triggers a heap-based overflow in veex.dll due to improper length calculation, and (2) a CPIO archive, with a long filename that is not null-terminated, which triggers a stack-based overflow in veex.dll.

10.0 CVSS 2.0 High EPSS 13% · top 3.9%
10.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in Sophos Anti-Virus scanning engine before 2.40 allow remote attackers to execute arbitrary code via (1) a SIT archive with a long filename that is not null-terminated, which triggers a heap-based overflow in veex.dll due to improper length calculation, and (2) a CPIO archive, with a long filename that is not null-terminated, which triggers a stack-based overflow in veex.dll.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/23325
http://www.securityfocus.com/archive/1/454197/100/0/threaded
http://www.securityfocus.com/archive/1/454211/100/0/threaded
http://www.securityfocus.com/bid/21563
http://www.sophos.com/support/knowledgebase/article/17340.html Vendor Advisory
http://www.sophos.com/support/knowledgebase/article/21637.html Vendor Advisory
http://www.vupen.com/english/advisories/2006/4919
http://www.zerodayinitiative.com/advisories/ZDI-06-045.html PatchVendor Advisory
http://www.zerodayinitiative.com/advisories/ZDI-06-046.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30851
https://exchange.xforce.ibmcloud.com/vulnerabilities/30852
http://secunia.com/advisories/23325
http://www.securityfocus.com/archive/1/454197/100/0/threaded
http://www.securityfocus.com/archive/1/454211/100/0/threaded
http://www.securityfocus.com/bid/21563
http://www.sophos.com/support/knowledgebase/article/17340.html Vendor Advisory
http://www.sophos.com/support/knowledgebase/article/21637.html Vendor Advisory
http://www.vupen.com/english/advisories/2006/4919
http://www.zerodayinitiative.com/advisories/ZDI-06-045.html PatchVendor Advisory
http://www.zerodayinitiative.com/advisories/ZDI-06-046.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30851
https://exchange.xforce.ibmcloud.com/vulnerabilities/30852

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2006-0994Sophos anti-virus vulnerabilityMultiple 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, …EPSS 22%7.5CVE-2005-2768Sophos anti-virus vulnerabilityHeap-based buffer overflow in the Sophos Antivirus Library, as used by Sophos Antivirus, PureMessage, MailMonitor, and other products, allows remote …EPSS 13%7.5CVE-2004-0937Archive zip vulnerabilitySophos Anti-Virus before 3.87.0, and Sophos Anti-Virus for Windows 95, 98, and Me before 3.88.0, allows remote attackers to bypass antivirus protecti…EPSS 15%7.5CVE-2004-0932McAfee Anti-Virus Engine DATS driver bypass via malformed compressed fileThe McAfee Anti-Virus Engine DATS drivers before 4398 (Oct 13 2004) and DATS Driver before 4397 (Oct 6 2004) fail to properly handle compressed files…EPSS 63%analysed7.5CVE-2004-0933Archive zip vulnerabilityComputer Associates (CA) InoculateIT 6.0, eTrust Antivirus r6.0 through r7.1, eTrust Antivirus for the Gateway r7.0 and r7.1, eTrust Secure Content M…EPSS 21%7.5CVE-2004-0934Archive zip vulnerabilityKaspersky 3.x to 4.x allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, whi…EPSS 15%7.5CVE-2004-0935Archive zip vulnerabilityEset Anti-Virus before 1.020 (16th September 2004) allows remote attackers to bypass antivirus protection via a compressed file with both local and g…EPSS 15%7.5CVE-2004-0936Archive zip vulnerabilityRAV antivirus allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does…EPSS 15%

Source: NIST National Vulnerability Database (record CVE-2006-6335), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.