Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before…

Description

Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials.

Scores

EPSS (exploitation in 30 days)

23.0% · top 2.2% of all CVEs (3 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-20 (opens in a new tab)Other CVEs with CWE-20

Affected products

• n/a

  • affected n/a

References (20)

• DSA-2631 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2013:0505 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• MDVSA-2013:129 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 1027890 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2016:1996 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2013:1443 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• [oss-security] 20121217 Re: CVE Request -- SQUID-2012:1 / Squid: DoS (excessive resource consumption) via invalid Content-Length headers or via memory leaks (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 52024 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.squid-cache.org/Advisories/SQUID-2012_1.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=887962 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 54839 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SU-2016:2089 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2013:0162 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://bugs.gentoo.org/show_bug.cgi?id=447596 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2013:0186 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2013:1436 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-1713-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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

[![CVE-2012-5643](https://trackcve.app/badge/CVE-2012-5643.svg)](https://trackcve.app/cve/CVE-2012-5643)

Record last updated 6 Aug 2024, 21:14 UTC.