glibc: Buffer overrun (DoS) in regexp matcher by processing multibyte characters

A flaw was found in the regular expression matching routines that process multibyte character input. If an application utilized the glibc regular expression matching mechanism, an attacker could provide specially-crafted input that, when processed, would cause the application to crash...

DEBIAN-CVE-2013-0242

Buffer overflow in the extendbuffers 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...