Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-5667

27
FAUCET Score

CVE-2012-5667 describes multiple integer overflows in GNU Grep versions prior to 2.11, which could lead to a heap-based buffer overflow. This vulnerability has a CVSS score of 4.4, indicating a medium severity, and could allow local, context-dependent attackers to execute arbitrary code with partial impact to confidentiality, integrity, and availability. While there is no evidence of active exploitation, a proof-of-concept exploit exists on ExploitDB, but there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.10CPE matchmatch criteria
cpe:2.3:a:gnu:grep:*:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:gnu:grep:2.2:*:*:*:*:*:*:*
2.3CPE matchmatch criteria
cpe:2.3:a:gnu:grep:2.3:*:*:*:*:*:*:*
2.4CPE matchmatch criteria
cpe:2.3:a:gnu:grep:2.4:*:*:*:*:*:*:*
2.4.1CPE matchmatch criteria
cpe:2.3:a:gnu:grep:2.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-23779 · Dec 31, 2012
This CVE's current EPSS score of 0.0102 is in the 90th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: grep-0:2.20-3.el6
View patch

Vendor Advisories (1)

redhatCVE-2012-5667Low

grep: Integer overflow leading to heap-based buffer-overflow when reading large lines

Dec 22, 2012

References

git.savannah.gnu.org / cgit/grep.git/commit
Patch
git.savannah.gnu.org / cgit/grep.git/commit
Patch
git.sv.gnu.org / gitweb
lists.gnu.org / archive/html/bug-grep/2012-12/msg00004.html
openwall.com / lists/oss-security/2012/12/22/6
rhn.redhat.com / errata/RHSA-2015-1447.html
bugs.launchpad.net / ubuntu/+source/grep/+bug/1091473
bugzilla.redhat.com / show_bug.cgi
securityfocus.com / bid/57033