CVE-2019-9169: glibc: regular-expression match via proceed_next_node in posix/regexec.c leads to heap-based buffer over-read

Severity: Critical

CVSS Score: 9.8

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.