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CVE-2013-4237

19
FAUCET Score

CVE-2013-4237 describes an out-of-bounds write vulnerability in the GNU C Library (glibc) versions 2.18 and earlier, specifically within the sysdeps/posix/readdir_r.c component. This flaw allows remote attackers to trigger a denial of service or potentially execute arbitrary code by supplying a specially crafted NTFS or CIFS image. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring moderate attack complexity but potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.18CPE 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

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.83%
Probability of exploitation in next 30 days
EPSS Percentile
89.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0383 is in the 85th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.149.el6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2013-4237Moderate

glibc: Buffer overwrite when using readdir_r on file systems returning file names longer than NAME_MAX characters

Aug 11, 2013

References

bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/55113
security.gentoo.org / glsa/201503-04
sourceware.org / bugzilla/show_bug.cgi
Patch
sourceware.org / git/gitweb.cgi
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/08/12/8
Patch
securityfocus.com / bid/61729
ubuntu.com / usn/USN-1991-1