CVE-2006-7226: Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memor...

Security readout for executives and security teams

This is an old PCRE library denial-of-service issue. Certain complex regular expressions could trigger an allocation miscalculation and make affected software error or crash. The source bundle does not provide CVSS, CPE data, or evidence of active exploitation. Exposure is most likely in legacy operating systems, appliances, or applications that embed or dynamically link PCRE versions before 6.7. Risk is higher where users can influence regular expression compilation or pattern handling. Treat as a legacy availability risk. Prioritize remediation for internet-facing or multi-tenant services that process untrusted patterns, and for unsupported systems where PCRE may remain outdated. Mitigation focus: Inventory systems and applications using PCRE before 6.7.; Apply vendor updates from relevant OS or product advisories.; Check embedded appliances and bundled libraries, not only OS packages..

Prepared

Jun 28, 2026, 19:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.