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CVE-2013-4123
client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a…
Medium5.0EPSS 80.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a crafted port number in a HTTP Host header.
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)
- 80.5% · top 0.4% 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 (6)
- 54142 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12591.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11826.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- 54834 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.squid-cache.org/Advisories/SQUID-2013_3.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2013:1435 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_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)
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[](https://trackcve.app/cve/CVE-2013-4123)Record last updated .