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CVE-2013-0242

19
FAUCET Score

CVE-2013-0242 describes a buffer overflow vulnerability in the extend_buffers function of the glibc regular expression matcher, affecting versions possibly up to 2.17. This flaw allows an unauthenticated, remote attacker to cause a denial of service (memory corruption and crash) by providing specially crafted multibyte characters. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it indicates a medium severity issue with low attack complexity, primarily impacting availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.17CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.17:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.85%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0285 is in the 79th percentile among its peer group of 23,723 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc-0:2.5-107.el5_9.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.132.el6
View patch

Vendor Advisories (1)

redhatCVE-2013-0242Low

glibc: Buffer overrun (DoS) in regexp matcher by processing multibyte characters

Jan 29, 2013

References

osvdb.org / 89747
rhn.redhat.com / errata/RHSA-2013-0769.html
rhn.redhat.com / errata/RHSA-2013-1605.html
secunia.com / advisories/51951
Vendor Advisory
secunia.com / advisories/55113
exchange.xforce.ibmcloud.com / vulnerabilities/81707
sourceware.org / bugzilla/show_bug.cgi
Patch
sourceware.org / ml/libc-alpha/2013-01/msg00967.html
security.gentoo.org / glsa/201503-04
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/01/30/5
securityfocus.com / bid/57638
securitytracker.com / id/1028063
ubuntu.com / usn/USN-1991-1
vmware.com / security/advisories/VMSA-2014-0008.html