CVE-2009-0478
MEDIUM · CVSS 5.0EPSS 72.0%EU EUVD
Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers to cause a denial of service via an HTTP request with an invalid version number, which triggers a reachable assertion in (1) HttpMsg.c and (2) HttpStatusLine.c.
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-20
- EPSS score
- 72.0% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0482)
- Published
- February 8, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0482 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
- squid / squid
References
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- http://secunia.com/advisories/33731(Vendor Advisory)
- http://secunia.com/advisories/34467(Vendor Advisory)
- http://security.gentoo.org/glsa/glsa-200903-38.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:034
- http://www.securityfocus.com/archive/1/500653/100/0/threaded
- http://www.securityfocus.com/bid/33604(Exploit, Patch)
- http://www.securitytracker.com/id?1021684
- http://www.squid-cache.org/Advisories/SQUID-2009_1.txt(Vendor Advisory)
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12432.patch(Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=484246
- https://www.exploit-db.com/exploits/8021
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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