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CVE-2012-4424

19
FAUCET Score

CVE-2012-4424 describes a stack-based buffer overflow in the GNU C Library (glibc) versions 2.17 and earlier, specifically within the string/strcoll_l.c component. This vulnerability can lead to a denial of service or potentially arbitrary code execution when processing a long string that triggers a malloc failure and subsequent use of alloca. With a CVSS score of 5.1, it has a network attack vector and high attack complexity, allowing for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.17CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.1MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.38%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0338 is in the 82nd percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2012-4424Moderate

glibc: alloca() stack overflow in the strcoll() interface

Sep 6, 2012

References

bugzilla.redhat.com / show_bug.cgi
sourceware.org / bugzilla/show_bug.cgi
ExploitPatch
security.gentoo.org / glsa/201503-04
mandriva.com / security/advisories
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/09/13/16
ubuntu.com / usn/USN-1991-1