{"id":"CVE-2012-5643","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-5643","generatedAt":"2026-11-05T07:55:55.738Z","title":"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,…","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.","published":"2012-12-20T12:02:20.000Z","lastModified":"2026-06-16T23:47:09.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-20"],"affected":["squid-cache/squid"],"epss":{"score":0.23005,"percentile":0.9776,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 23.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00052.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00075.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2012/12/17/4","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0505.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52024","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/54839","source":"secalert@redhat.com"},{"url":"http://ubuntu.com/usn/usn-1713-1","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2013/dsa-2631","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:129","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1027890","source":"secalert@redhat.com"},{"url":"http://www.squid-cache.org/Advisories/SQUID-2012_1.txt","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"https://bugs.gentoo.org/show_bug.cgi?id=447596","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=887962","source":"secalert@redhat.com"},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00052.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00075.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2012/12/17/4","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0505.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52024","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/54839","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://ubuntu.com/usn/usn-1713-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2013/dsa-2631","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:129","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027890","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.squid-cache.org/Advisories/SQUID-2012_1.txt","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.gentoo.org/show_bug.cgi?id=447596","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=887962","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5643","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}