CVE-2026-23918

CVE-2026-23918 Doble liberación en la limpieza de flujos de modhttp2 de Apache httpd que conduce a una ejecución remota de código RCE sin autenticación. Afectado: httpd 2.4.66 con modhttp2 y MPM de múltiples subprocesos event/worker. Corregido en: 2.4.67. Encontrado y reportado por Bartlomiej...

CVE-2026-23918

CVE-2026-23918: DoS por Doble Liberación en Apache HTTP/2 CVE-2026-23918 | Servidor HTTP Apache 2.4.66 | CWE-415: Doble Liberación | CVSS 8.8 | Corregido en 2.4.67 Una vulnerabilidad de doble liberación en modhttp2 h2mplx.c permite a atacantes remotos provocar una denegación de servicio caída del...

CVE-2026-23918-Double-free-Apache-httpd-mod_http2

CVE-2026-23918 - PoC de Apache httpd modhttp2 Este repositorio contiene una implementación de prueba de concepto escrita en Go para un escenario de corrupción de memoria antes de la autenticación que afecta a Apache httpd con modhttp2. El código en este repositorio demuestra un enfoque de...

CVE-2026-23918-Apache-H2-PoC

CVE-2026-23918-Apache-H2-PoC Este es un exploit de prueba de concepto para la vulnerabilidad de doble liberación en modhttp2 de Apache CVE-2026-23918. Es un bug desagradable que afecta a la ruta de limpieza de streams en h2mplx.c. Básicamente, si sincronizas bien el momento, puedes lograr que el...

CVE-2026-23918-test

CVE-2026-23918-test Este repositorio contiene una Prueba de Concepto PoC que demuestra la vulnerabilidad de Doble Liberación CVE-2026-23918 en Apache HTTP Server 2.4.66 modhttp2. La vulnerabilidad se origina en una condición de carrera durante el procesamiento temprano de tramas RSTSTREAM. Me...

CVE-2026-23918-poc

CVE-2026-23918 — Apache modhttp2 Double Free Afectado: Apache HTTP Server 2.4.66 con modhttp2 + Event MPM Corregido en: Apache 2.4.67 modh2 v2.0.37 CVSS 3.1: 8.8 ALTA — Posible ejecución remota de código no autenticado CWE: CWE-415 Double Free ¿Cuál es la vulnerabilidad modhttp2 en Apache 2.4.66...

http2-bomb

HTTP/2 Bomb - CVE-2026-49975 Una prueba de concepto de denegación de servicio DoS dirigida a servidores HTTP/2. Al combinar la amplificación HPACK con la retención de flujos, una única máquina con una conexión de red modesta puede dejar un servidor vulnerable no disponible en cuestión de segundos...

Astra Linux – Vulnerability in Apache2

The “Use After Free” vulnerability in the Apache HTTP Server module modhttp2 occurs when file handles are already exhausted. This issue affects Apache HTTP Server versions 2.4.55 through 2.4.67...

CVE-2026-23918

CVE-2026-23918 Apache modhttp2 Double-Free Detector https://github.com/user-attachments/assets/d6c30e58-548c-4b6d-9ba3-baa667238a58 root@kitploit: python3 h2ghost.py -h usage: h2ghost.py -h --host HOST --port PORT --tls --no-tls --iterations ITERATIONS --burst-n BURSTN --timeout TIMEOUT...

Detections-CVE-2026-23918

TRASLADÁNDOSE A: https://github.com/insomnisec/publiccvedetections PARA UNA MEJOR GESTIÓN A LARGO PLAZO DE LAS PUBLICACIONES DE DETECCIÓN ESTE REPOSITORIO SERÁ ELIMINADO EN JUNIO DE 2026 POR FAVOR, UTILICE EL OTRO REPOSITORIO EN ADELANTE CVE-2026-23918 "Apache HTTP/2 Double-Free" — Paquete de...

MiracleLinux 9 : mod_http2-2.0.26-6.el9_8.2 (AXSA:2026-1693:03)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1693:03 advisory. httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 http...

mod_http2 security, bug fix, and enhancement update

An update is available for modhttp2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of...

RLSA-2026:59387 Moderate: mod_http2 security, bug fix, and enhancement update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd: Apache HTTP Server:...

RHSA-2026:59387 Red Hat Security Advisory: mod_http2 security, bug fix, and enhancement update

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RockyLinux 9 : mod_http2 (RLSA-2026:59387)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:59387 advisory. httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd:...

AlmaLinux 9 : mod_http2 (ALSA-2026:59387)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:59387 advisory. httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd:...

Oracle Linux 9 : mod_http2 (ELSA-2026-59387)

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-59387 advisory. 2.0.26-6.2 - Resolves: RHEL-190583 - address CVE-2026-43951 and CVE-2026-48913 in modhttp2 Tenable has extracted the preceding description block...

httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.

A flaw was found in the Apache HTTP Server's modhttp2 module. This vulnerability, known as a Use After Free, occurs when the server's file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system...

Moderate: Red Hat Security Advisory: mod_http2 security, bug fix, and enhancement update

An update for modhttp2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Moderate: mod_http2 security, bug fix, and enhancement update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd: Apache HTTP Server:...