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Fencer Vulns
medium 6.4

CVE-2006-5647 json

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 att…

published 2006-11-01 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-5632

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
21.1%
EPSS 21.1% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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."

Timeline

  1. Published
  2. First public exploit (EDB-2911)

Exploit prediction

21.14% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2911 Sophos AntiVirus - '.CHM' Chunk Name Length Memory Corruption (PoC) dos, 2006-12-10

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.