ModSecurity

Libmodsecurity는 ModSecurity v3 프로젝트의 한 구성 요소입니다. 이 라이브러리 코드베이스는 웹 트래픽을 수신하고 기존 ModSecurity 처리를 적용하는 ModSecurity 커넥터에 대한 인터페이스 역할을 합니다. 일반적으로 ModSecurity SecRules 형식으로 작성된 규칙을 로드/해석하고 커넥터를 통해 애플리케이션에서 제공하는 HTTP 콘텐츠에 적용하는 기능을 제공합니다. Apache용 ModSecurity일명 ModSecurity v2.x를 찾고 있다면, 해당 버전은 여전히 유지관리되며...

[SECURITY] Fedora 43 Update: nginx-mod-modsecurity-1.0.4-16.fc43

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 44 Update: nginx-mod-modsecurity-1.0.4-16.fc44

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 44 Update: nginx-mod-modsecurity-1.0.4-12.fc44

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 43 Update: nginx-mod-modsecurity-1.0.4-12.fc43

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 43 Update: nginx-mod-modsecurity-1.0.4-11.fc43

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 44 Update: nginx-mod-modsecurity-1.0.4-11.fc44

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 42 Update: nginx-mod-modsecurity-1.0.4-10.fc42

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 43 Update: nginx-mod-modsecurity-1.0.4-10.fc43

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

[SECURITY] Fedora 44 Update: nginx-mod-modsecurity-1.0.4-10.fc44

The ModSecurity-nginx connector is the connection point between nginx and libmodsecurity ModSecurity v3. Said another way, this project provides a communication channel between nginx and libmodsecurity. This connector is required to use LibModSecurity with nginx. The ModSecurity-nginx connector...

SUSE 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...

PT-2026-38473

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...

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...

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...

CVE-2026-30923 libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings

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...

CVE-2026-30923 libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings

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...

Linux Distros Unpatched Vulnerability : CVE-2026-30923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity ...

PT-2026-36538

Name of the Vulnerable Software and Affected Versions ModSecurity versions 3.0.0 through 3.0.14 Description An unhandled exception std::out of range occurs in libmodsecurity3 due to an unsigned integer underflow. This issue is triggered when an administrator utilizes any of the following rules:...