6.4

CVE-2006-5647: sophos anti-virus

CVSS: 6.4v2.0MediumModified
Published 01-11-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-5647 is a medium (CVSS 6.4) vulnerability in sophos anti-virus. EPSS estimates a 21.14% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v2.0 (NVD)
EPSS score
21.14%
0%100%
High · +0.43 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 01-11-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.14%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+0.43 pp

From 20.71% on 19-09-2026

19-09-202619-10-2026
EPSS score
21.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedosmultipleVerified

    Sophos AntiVirus - '.CHM' Chunk Name Length Memory Corruption (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Sophos2 products
  • anti-virus4.04 | 4.05 | 4.5.3 | 4.5.4 | 4.5.11 | 4.5.12 | 4.7.1 | 4.7.2 | 5.0.1 | 5.0.2 | 5.0.4 | 5.1 | 5.2 | 5.2.1 | 6.0.4
  • endpoint_security≤ 6.04

1 vendor · 2 products

References

6 links