CVE-2006-5647
Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and...
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."
Exploit likelihood
What each source reports
NVD Score used
6.4
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."
- Record
CVE-2006-5647- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2006-5647- Updated
- 2026-11-02
EUVDEUVD-2006-5632 No score
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."
- Record
EUVD-2006-5632- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-28mj-jg9q-pj9c No score
Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and...
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."
- Record
GHSA-28mj-jg9q-pj9c- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Sophos AntiVirus - '.CHM' Chunk Name Length Memory Corruption (PoC) | 2006-12-10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5647 is a medium vulnerability (CVSS 6.4) in Sophos Anti-virus, published November 1, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 21.1%, the 97th percentile. No source names a fixed version.
References
sophos.com/support/knowledgebase/article/7609.html
securitytracker.com/id?1017132
vupen.com/english/advisories/2006/4239
securityfocus.com/bid/20816
labs.idefense.com/intelligence/vulnerabilities/display.php?id=451
secunia.com/advisories/22591
nvd.nist.gov/vuln/detail/CVE-2006-5647
github.com/advisories/GHSA-28mj-jg9q-pj9c