CVE-2007-1662: Pcre

Medium severity, CVSS 5.0. EPSS: 2.5% chance of exploitation in the next 30 days.

Perl-Compatible Regular Expression (PCRE) library before 7.3 reads past the end of the string when searching for unmatched brackets and parentheses, which allows context-dependent attackers to cause a denial of service (crash), possibly involving forward references.

Affected products

• Pcre Pcre: up to and including 7.3

Published 2007-11-07. Last modified 2026-06-16.