CVE-2013-0242: GNU Glibc

Medium severity, CVSS 5.0. EPSS: 2.9% chance of exploitation in the next 30 days.

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 Glibc: version 2.17 only

Published 2013-02-08. Last modified 2026-06-16.