{"id":"CVE-2012-2673","aliases":["DEBIAN-CVE-2012-2673","EUVD-2012-2655","GHSA-779g-vf77-jgjv","RHSA-2013:1500","RHSA-2014:0149","RHSA-2014:0150","openSUSE-SU-2024:10302-1"],"status":"published","title":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and...","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02766,"percentile":0.86399,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2012-07-25T19:00:00Z","modified":"2026-10-23T17:47:49Z","fixes":[{"ecosystem":"Debian:12","package":"libgc","fixed_in":["1:7.1-9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libgc","fixed_in":["1:7.1-9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libgc","fixed_in":["1:7.1-9"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc-debuginfo","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc-devel","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc-debuginfo","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc-devel","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc-debuginfo","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc-devel","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc-debuginfo","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc-devel","fixed_in":["0:7.1-12.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:network_satellite:5.6::el5","package":"gc","fixed_in":["0:7.1-12.2.el5sat"],"sources":["osv"]},{"ecosystem":"Red Hat:network_satellite:5.6::el5","package":"gc-debuginfo","fixed_in":["0:7.1-12.2.el5sat"],"sources":["osv"]},{"ecosystem":"Red Hat:network_proxy:5.6::el5","package":"gc","fixed_in":["0:7.1-12.2.el5sat"],"sources":["osv"]},{"ecosystem":"Red Hat:network_proxy:5.6::el5","package":"gc-debuginfo","fixed_in":["0:7.1-12.2.el5sat"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libgc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1-9"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libgc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1-9"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libgc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1-9"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"gc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"gc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"gc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"gc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:network_satellite:5.6::el5","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.2.el5sat"}]}]},{"source":"osv","ecosystem":"Red Hat:network_satellite:5.6::el5","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.2.el5sat"}]}]},{"source":"osv","ecosystem":"Red Hat:network_proxy:5.6::el5","package":"gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.2.el5sat"}]}]},{"source":"osv","ecosystem":"Red Hat:network_proxy:5.6::el5","package":"gc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:7.1-12.2.el5sat"}]}]}],"products":[{"vendor":"boehm-demers-weiser","product":"garbage_collector"}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2013-1500.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1546-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"https://github.com/ivmai/bdwgc/commit/e10c1eb9908c2774c16b3148b30d2f3823d66a9a","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082988.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/","tags":["x_refsource_MISC","x_transferred","article"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/05/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/07/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:158","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0150.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://github.com/ivmai/bdwgc/commit/83231d0ab5ed60015797c3d1ad9056295ac3b2bb","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"https://github.com/ivmai/bdwgc/blob/master/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082926.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://github.com/ivmai/bdwgc/commit/be9df82919960214ee4b9d3313523bff44fd99e1","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0149.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://github.com/ivmai/bdwgc/commit/6a93f8e5bcad22137f41b6c60a1c7384baaec2b3","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"http://www.securityfocus.com/bid/54227","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2673","tags":["advisory"]},{"url":"http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited"},{"url":"https://github.com/advisories/GHSA-779g-vf77-jgjv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2673","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1500","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=828878","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1500.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-2673","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-2673","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0149","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0149.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0150","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0150.json","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2673","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-2673","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:00:00Z","modified":"2024-08-06T19:42:32.365Z","updated_at":"2026-11-02T14:34:50.263482Z"}],"euvd":[{"id":"EUVD-2012-2655","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:00:00Z","modified":"2024-08-06T19:42:32Z","updated_at":"2026-11-03T01:56:13.895728Z"}],"ghsa":[{"id":"GHSA-779g-vf77-jgjv","title":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and...","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2022-05-17T03:48:22Z","modified":"2025-04-11T04:00:47Z","updated_at":"2026-11-02T15:01:11.561612Z"}],"nvd":[{"id":"CVE-2012-2673","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:55:02.773Z","modified":"2026-06-16T23:41:51.19Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:14.774945Z"}],"osv":[{"id":"CVE-2012-2673","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:55:02Z","modified":"2026-04-10T03:42:20.03821Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-2673","description":"Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:55:02.773Z","modified":"2026-10-23T17:47:49.626060004Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"openSUSE-SU-2024:10302-1","title":"gc-devel-7.4.2-3.5 on GA media","description":"These are all security issues fixed in the gc-devel-7.4.2-3.5 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:32:45.873854Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2013:1500","title":"Red Hat Security Advisory: gc security update","status":"published","published":"2024-09-15T21:08:07Z","modified":"2026-06-26T10:22:33Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0149","title":"Red Hat Security Advisory: gc security update","status":"published","published":"2024-09-15T21:08:15Z","modified":"2026-01-29T10:55:32.461032Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0150","title":"Red Hat Security Advisory: gc security update","status":"published","published":"2024-09-15T21:08:11Z","modified":"2026-01-29T10:55:32.449201Z","updated_at":"2026-11-02T15:53:01.993625Z"}]}}