CVE-2013-0242

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-08 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.

Affected products

GNU C Library (glibc): 2.17

References

http://osvdb.org/89747
http://rhn.redhat.com/errata/RHSA-2013-0769.html
http://rhn.redhat.com/errata/RHSA-2013-1605.html
http://secunia.com/advisories/51951
http://secunia.com/advisories/55113
http://sourceware.org/bugzilla/show_bug.cgi?id=15078
http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:163
http://www.openwall.com/lists/oss-security/2013/01/30/5
http://www.securityfocus.com/bid/57638
http://www.securitytracker.com/id/1028063
http://www.ubuntu.com/usn/USN-1991-1

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