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CVE-2013-4115
Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers…
High7.5EPSS 43.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 43.9% · top 1.2% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (18)
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.squid-cache.org/Advisories/SQUID-2013_2.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 54076 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SU-2016:1996 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2013:1441 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2013:1444 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 54834 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2013:1443 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- 61111 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- 54839 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2089 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2013:1435 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- squid-idnsalookup-bo(85564) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- openSUSE-SU-2013:1436 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20130711 Re: CVE request: SQUID-2013:2: buffer overflow in HTTP request handling (opens in a new tab)mailing-listx_refsource_MLISTx_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-2013-4115)Record last updated .