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.
CVE-2012-2673
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 84.5%
- KEV
- Not listed
Published
July 25, 2012
Last Modified
April 29, 2026
References (32)
- secalert@redhathttp://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/082926.html
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/082988.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-1500.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0149.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0150.html
- secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2012:158
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/06/05/1
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/06/07/13
- secalert@redhathttp://www.securityfocus.com/bid/54227
- secalert@redhathttp://www.ubuntu.com/usn/USN-1546-1
- secalert@redhathttps://github.com/ivmai/bdwgc/blob/master/ChangeLog
- secalert@redhathttps://github.com/ivmai/bdwgc/commit/6a93f8e5bcad22137f41b6c60a1c7384baaec2b3
- secalert@redhathttps://github.com/ivmai/bdwgc/commit/83231d0ab5ed60015797c3d1ad9056295ac3b2bb
- secalert@redhathttps://github.com/ivmai/bdwgc/commit/be9df82919960214ee4b9d3313523bff44fd99e1
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libgc1c2 (1:7.1-8ubuntu0.12.04.1) @ precise | 2026-05-29 | ubuntu |
| redhat | gc-0:7.1-12.2.el5sat | 2014-02-10 | redhat |
| redhat | gc-0:7.1-12.el6_4 | 2013-11-04 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(4)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
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- 2026-07-05 13:59 UTCOSV refresh
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- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-17 01:14 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 03:47 UTCEG score recompute
- 2026-05-29 03:47 UTCVendor advisory
- 2026-05-29 03:47 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-21 22:39 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2012-2673?
When was CVE-2012-2673 disclosed?
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How do I remediate CVE-2012-2673?
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