CVE-2013-4458

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-12-12 · updated 2026-06-16
Weakness: CWE-119

Description

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in GNU C Library (aka glibc or libc6) 2.18 and earlier allows remote attackers to cause a denial of service (crash) via a (1) hostname or (2) IP address that triggers a large number of AF_INET6 address results. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1914.

Affected products

GNU C Library (glibc): through 2.18; 2.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+20)
SUSE Linux Enterprise Debuginfo: 11-sp2
SUSE Linux Enterprise Server: 11-sp2

References

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
https://security.gentoo.org/glsa/201503-04
https://sourceware.org/bugzilla/show_bug.cgi?id=16072
https://sourceware.org/ml/libc-alpha/2013-10/msg00733.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
https://security.gentoo.org/glsa/201503-04
https://sourceware.org/bugzilla/show_bug.cgi?id=16072
https://sourceware.org/ml/libc-alpha/2013-10/msg00733.html

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