{"id":"CVE-2012-5643","aliases":["DEBIAN-CVE-2012-5643","DSA-2631-1","EUVD-2012-5527","GHSA-pq8w-rcmc-8xgj","RHSA-2013:0505","SUSE-SU-2016:2089-1","openSUSE-SU-2024:10307-1"],"status":"published","title":"Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.23005,"percentile":0.97763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2012-12-20T11:00:00Z","modified":"2026-10-23T17:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"squid","fixed_in":["2.7.STABLE9-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"squid","fixed_in":["2.7.STABLE9-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"squid","fixed_in":["2.7.STABLE9-2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"squid","fixed_in":["7:3.1.10-16.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"squid-debuginfo","fixed_in":["7:3.1.10-16.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"squid","fixed_in":["7:3.1.10-16.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"squid-debuginfo","fixed_in":["7:3.1.10-16.el6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.STABLE9-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.STABLE9-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.STABLE9-2"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"squid3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.6-1.2+squeeze3"}]}],"versions":["3.1.6-1.2","3.1.6-1.2+squeeze1","3.1.6-1.2+squeeze2"],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.1.10-16.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"squid-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.1.10-16.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.1.10-16.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"squid-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.1.10-16.el6"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"squid3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.23-8.16.30.1"}]}],"bundled":25},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"squid3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.23-8.16.30.1"}]}],"bundled":25},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.22-1.1"}]}],"bundled":4}],"products":[{"vendor":"squid-cache","product":"squid"}],"references":[{"url":"http://www.debian.org/security/2013/dsa-2631","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0505.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:129","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id?1027890","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2012/12/17/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/52024","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.squid-cache.org/Advisories/SQUID-2012_1.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=887962","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://secunia.com/advisories/54839","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00052.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://bugs.gentoo.org/show_bug.cgi?id=447596","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-01/msg00075.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://ubuntu.com/usn/usn-1713-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5643","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:0505","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-5643","tags":["report"]},{"url":"https://github.com/advisories/GHSA-pq8w-rcmc-8xgj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5643","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.4_Technical_Notes/squid.html","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=797571","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=798090","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=832484","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=833086","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=844723","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=847056","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0505.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-5643","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2016/suse-su-20162089-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/895773","tags":["report"]},{"url":"https://bugzilla.suse.com/902197","tags":["report"]},{"url":"https://bugzilla.suse.com/938715","tags":["report"]},{"url":"https://bugzilla.suse.com/963539","tags":["report"]},{"url":"https://bugzilla.suse.com/967011","tags":["report"]},{"url":"https://bugzilla.suse.com/968392","tags":["report"]},{"url":"https://bugzilla.suse.com/968393","tags":["report"]},{"url":"https://bugzilla.suse.com/968394","tags":["report"]},{"url":"https://bugzilla.suse.com/968395","tags":["report"]},{"url":"https://bugzilla.suse.com/973782","tags":["report"]},{"url":"https://bugzilla.suse.com/973783","tags":["report"]},{"url":"https://bugzilla.suse.com/976553","tags":["report"]},{"url":"https://bugzilla.suse.com/976556","tags":["report"]},{"url":"https://bugzilla.suse.com/976708","tags":["report"]},{"url":"https://bugzilla.suse.com/979008","tags":["report"]},{"url":"https://bugzilla.suse.com/979009","tags":["report"]},{"url":"https://bugzilla.suse.com/979010","tags":["report"]},{"url":"https://bugzilla.suse.com/979011","tags":["report"]},{"url":"https://bugzilla.suse.com/993299","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3205","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4096","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5643","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0188","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4115","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0128","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-6270","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7141","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7142","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5400","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2390","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2569","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2572","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3947","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3948","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4051","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4054","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4553","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4554","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4555","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4556","tags":["web"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-5643","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.","status":"published","published":"2012-12-20T11:00:00Z","modified":"2024-08-06T21:14:15.955Z","updated_at":"2026-11-02T14:34:49.246229Z"}],"euvd":[{"id":"EUVD-2012-5527","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.","status":"published","published":"2012-12-20T11:00:00Z","modified":"2024-08-06T21:14:15Z","updated_at":"2026-11-03T01:56:04.46975Z"}],"ghsa":[{"id":"GHSA-pq8w-rcmc-8xgj","title":"Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3...","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.","status":"published","published":"2022-05-17T03:46:33Z","modified":"2023-02-10T05:06:20Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:54:01.789224Z"}],"nvd":[{"id":"CVE-2012-5643","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.","status":"published","published":"2012-12-20T12:02:19.84Z","modified":"2026-06-16T23:47:08.64Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:16.958223Z"}],"osv":[{"id":"CVE-2012-5643","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.","status":"published","published":"2012-12-20T12:02:19Z","modified":"2026-04-10T03:44:20.667029Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5643","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.","status":"published","published":"2012-12-20T12:02:19.84Z","modified":"2026-10-23T17:47:23.966202008Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DSA-2631-1","title":"squid3 - denial of service","status":"published","published":"2013-02-23T00:00:00Z","modified":"2026-03-09T01:19:20.717549Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10307-1","title":"squid-3.5.22-1.1 on GA media","description":"These are all security issues fixed in the squid-3.5.22-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:29:53.823463Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2013:0505","title":"Red Hat Security Advisory: squid security and bug fix update","status":"published","published":"2024-09-15T20:17:11Z","modified":"2026-06-26T10:20:52Z","updated_at":"2026-11-02T15:53:01.495018Z"},{"id":"SUSE-SU-2016:2089-1","title":"Security update for squid3","description":"\n\nThis update for squid3 fixes the following issues:\n\n- Multiple issues in pinger ICMP processing.  (CVE-2014-7141, CVE-2014-7142) \n\n- CVE-2016-3947: Buffer overrun issue in pinger\n    ICMPv6 processing. (bsc#973782)\n\n-  CVE-2016-4554: fix header smuggling issue in HTTP Request processing (bsc#979010)\n\n- Fix multiple Denial of Service issues in HTTP Response processing.\n    (CVE-2016-2569, CVE-2016-2570, CVE-2016-2571, CVE-2016-2572,\n     bsc#968392, bsc#968393, bsc#968394, bsc#968395)\n- Regression caused by the DoS fixes above (bsc#993299)\n\n- CVE-2016-3948: Fix denial of service in HTTP Response processing (bsc#973783)\n\n- CVE-2016-4051: fixes buffer overflow in cachemgr.cgi (bsc#976553)\n\n- CVE-2016-4052, CVE-2016-4053, CVE-2016-4054:\n  * fixes multiple issues in ESI processing (bsc#976556)\n\n- CVE-2016-4556: fixes double free vulnerability in Esi.cc (bsc#979008)\n\n- CVE-2015-5400: Improper Protection of Alternate Path (bsc#938715)\n\n- CVE-2014-6270: fix off-by-one in snmp subsystem (bsc#895773)\n\n- Memory leak in squid3 when using external_acl (bsc#976708)\n","status":"published","published":"2016-08-16T12:56:03Z","modified":"2026-02-04T03:13:42.545823Z","updated_at":"2026-11-02T15:53:43.438985Z"}]}}