ModSecurity

Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. In general, it provides the capability to load/interpret rules written in the ModSecurity...

[SECURITY] Fedora 45 Update: libmodsecurity-3.0.17-2.fc45

Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. In general, it provides the capability to load/interpret rules written in the ModSecurity...

[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...

CVE-2026-52747

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and...

[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 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...

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...