CVE-2009-2621
MEDIUM · CVSS 5.0EPSS 23.0%EU EUVD
Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce "buffer limits and related bound checks," which allows remote attackers to cause a denial of service via (1) an incomplete request or (2) a request with a large header size, related to (a) HttpMsg.cc and (b) client_side.cc.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 23.0% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2616)
- Published
- July 28, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2616 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
- squid-cache / squid
References
- http://secunia.com/advisories/36007
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:161
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:178
- http://www.securityfocus.com/bid/35812
- http://www.securitytracker.com/id?1022607
- http://www.squid-cache.org/Advisories/SQUID-2009_2.txt(Vendor Advisory)
- http://www.squid-cache.org/Versions/v3/3.1/changesets/b9654.patch(Patch)
- http://www.vupen.com/english/advisories/2009/2013
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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