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CVE-2009-0478
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…
Medium5.0EPSS 72.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 72.0% · top 0.6% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 33604 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 33731 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- GLSA-200903-38 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 20090204 Squid Proxy Cache Denial of Service in request handling (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SUSE-SR:2009:005 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=484246 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12432.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1021684 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.squid-cache.org/Advisories/SQUID-2009_1.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2009:034 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 8021 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 34467 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-0478)Record last updated .