CVE-2026-30923

A flaw was found in libModSecurity3, a component of the ModSecurity web application firewall WAF. An attacker can exploit a segmentation fault by sending a specially crafted query string parameter containing a single character, which is then processed by a rule using the t:hexDecode transformatio...

PT-2026-38472

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...

CVE-2026-30923

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...

EUVD-2026-27422

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...