Input validation error in GNU C Library (glibc) - CVE-2013-4458

 

Input validation error in GNU C Library (glibc) - CVE-2013-4458

Published: February 13, 2023 / Updated: June 3, 2025


Vulnerability identifier: #VU110117
CSH Severity: Medium
CVSS v4: []
CVE-ID: CVE-2013-4458
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (crash) via a (1) hostname or (2) IP address that triggers a large number of AF_INET6 address results.


Affected software

GNU C Library (glibc)
Gentoo Linux
Slackware Linux
Fedora
glibc
glibc-i18n
glibc-profile
glibc-solibs
sys-libs/glibc

How to mitigate CVE-2013-4458

Install update from vendor's website.

glibc - update to 2.17
glibc-i18n - update to 2.17
glibc-profile - update to 2.17
glibc-solibs - update to 2.17
sys-libs/glibc - update to 2.19-r1
glibc - update to 2.22-16.fc23

External References

Related Security Bulletins