CVE-2013-7424

Severity: medium (CVSS 5.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-08-26 · updated 2026-06-17
Weakness: CWE-17

Description

The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6.

Affected products

GNU C Library (glibc): through 2.14.1

References

http://rhn.redhat.com/errata/RHSA-2015-1627.html
http://www.openwall.com/lists/oss-security/2015/01/29/21
http://www.securityfocus.com/bid/72710
https://bugzilla.redhat.com/show_bug.cgi?id=1186614
https://bugzilla.redhat.com/show_bug.cgi?id=981942
https://sourceware.org/bugzilla/show_bug.cgi?id=18011
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2e96f1c7
http://rhn.redhat.com/errata/RHSA-2015-1627.html
http://www.openwall.com/lists/oss-security/2015/01/29/21
http://www.securityfocus.com/bid/72710
https://bugzilla.redhat.com/show_bug.cgi?id=1186614
https://bugzilla.redhat.com/show_bug.cgi?id=981942

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