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CVE-2013-7424

19
FAUCET Score

CVE-2013-7424 describes a denial-of-service vulnerability in the glibc getaddrinfo function, specifically when compiled with libidn and using the AI_IDN flag. This flaw, affecting GNU glibc before version 2.15, could lead to an invalid free and potentially arbitrary code execution through crafted internationalized domain names. With a CVSS score of 5.1, it presents a medium severity risk requiring high attack complexity, but could result in partial impact to confidentiality, integrity, and availability. 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
<= 2.14.1CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

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
2.68%
Probability of exploitation in next 30 days
EPSS Percentile
84.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0268 is in the 76th percentile among its peer group of 19,958 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

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc-0:2.5-123.el5_11.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.149.el6
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.2Fixed in: glibc
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.4Fixed in: glibc
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 5.9Fixed in: glibc
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.5Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2013-7424Moderate

glibc: Invalid-free when using getaddrinfo()

Jan 27, 2015

References

rhn.redhat.com / errata/RHSA-2015-1627.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
sourceware.org / bugzilla/show_bug.cgi
sourceware.org / git/gitweb.cgi
openwall.com / lists/oss-security/2015/01/29/21
securityfocus.com / bid/72710