CVE-2017-6004: Pcre

High severity, CVSS 7.5. EPSS: 4.5% chance of exploitation in the next 30 days.

The compile_bracket_matchingpath function in pcre_jit_compile.c in PCRE through 8.x before revision 1680 (e.g., the PHP 7.1.1 bundled version) allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted regular expression.

Affected products

• Pcre Pcre: up to and including 8.38

Published 2017-02-16. Last modified 2026-06-17.