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CVE-2012-2673

18
FAUCET Score

CVE-2012-2673 describes multiple integer overflows in the Boehm-Demers-Weiser GC (libgc) library, specifically affecting versions prior to 7.2. These overflows in memory allocation functions can lead to less memory being allocated than requested, facilitating memory-related attacks like buffer overflows. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, potentially leading to integrity impacts. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.2CPE matchmatch criteria
cpe:2.3:a:boehm-demers-weiser:garbage_collector:*:alpha6:*:*:*:*:*:*
1.3CPE matchmatch criteria
cpe:2.3:a:boehm-demers-weiser:garbage_collector:1.3:*:*:*:*:*:*:*
1.4CPE matchmatch criteria
cpe:2.3:a:boehm-demers-weiser:garbage_collector:1.4:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:boehm-demers-weiser:garbage_collector:1.5:*:*:*:*:*:*:*
1.8CPE matchmatch criteria
cpe:2.3:a:boehm-demers-weiser:garbage_collector:1.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.77%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0277 is in the 78th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: gc-0:7.1-12.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 5.6Fixed in: gc-0:7.1-12.2.el5sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite Proxy v 5.6Fixed in: gc-0:7.1-12.2.el5sat
View patch

Vendor Advisories (1)

redhatCVE-2012-2673Moderate

gc: malloc() and calloc() overflows

Jun 5, 2012

References

kqueue.org / blog/2012/03/05/memory-allocator-security-revisited
lists.fedoraproject.org / pipermail/package-announce/2012-June/082926.html
lists.fedoraproject.org / pipermail/package-announce/2012-June/082988.html
rhn.redhat.com / errata/RHSA-2013-1500.html
rhn.redhat.com / errata/RHSA-2014-0149.html
rhn.redhat.com / errata/RHSA-2014-0150.html
github.com / ivmai/bdwgc/blob/master/ChangeLog
github.com / ivmai/bdwgc/commit/6a93f8e5bcad22137f41b6c60a1c7384baaec2b3
ExploitPatch
github.com / ivmai/bdwgc/commit/83231d0ab5ed60015797c3d1ad9056295ac3b2bb
ExploitPatch
github.com / ivmai/bdwgc/commit/be9df82919960214ee4b9d3313523bff44fd99e1
Patch
github.com / ivmai/bdwgc/commit/e10c1eb9908c2774c16b3148b30d2f3823d66a9a
Patch
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/06/05/1
openwall.com / lists/oss-security/2012/06/07/13
securityfocus.com / bid/54227
ubuntu.com / usn/USN-1546-1