Apache HTTP Server 2.4.66 - 'mod_http2' Double-Free Denial of Service

Exploit Title: Apache HTTP Server 2.4.66 - 'modhttp2' Double-Free Denial of Service Google Dork: intext:"Apache/2.4.66" "HTTP/2" Date: 2026-05-06 Exploit Author: xeloxa https://github.com/xeloxa/ Vendor Homepage: https://httpd.apache.org/ Software Link:...

CLSA-2026-1778873714 mod_http2: Fix of CVE-2023-45802

CVE-2023-45802: fix deferred memory reclaim of reset HTTP/2 streams...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918 "Apache HTTP/2 Double-Free" — Detection & Respo...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918-Apache-H2-PoC This is a proof-of-concept explo...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918-test This repository contains a Proof of Concep...

EulerOS Virtualization 2.12.0 : mod_http2 (EulerOS-SA-2026-1501)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

EulerOS Virtualization 2.12.1 : mod_http2 (EulerOS-SA-2026-1444)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

Huawei EulerOS: Security Advisory for mod_http2 (EulerOS-SA-2026-1501)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for mod_http2 (EulerOS-SA-2026-1444)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for mod_http2 (EulerOS-SA-2026-1131)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for mod_http2 (EulerOS-SA-2026-1182)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS Virtualization 2.10.0 : mod_http2 (EulerOS-SA-2026-1182)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

EulerOS Virtualization 2.10.1 : mod_http2 (EulerOS-SA-2026-1131)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

MiracleLinux 9 : httpd-2.4.53-7.el9.5, mod_http2-1.15.19-3.el9.5 (AXSA:2023-5276:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-5276:01 advisory. httpd: HTTP request splitting with modrewrite and modproxy CVE-2023-25690 Tenable has extracted the preceding description block directly from the MiracleLinu...

MiracleLinux 8 : httpd:2.4 (AXSA:2021-2273:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2273:01 advisory. httpd: modsessioncookie does not respect expiry time CVE-2018-17199 httpd: modproxyuwsgi buffer overflow CVE-2020-11984 httpd: modhttp2 concurrent...

MiracleLinux 9 : mod_http2-2.0.26-1.el9 (AXSA:2024-7933:02)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-7933:02 advisory. httpd: modhttp2: DoS in HTTP/2 with initial window size 0 CVE-2023-43622 modhttp2: reset requests exhaust memory incomplete fix of CVE-2023-44487...

MiracleLinux 9 : mod_http2-2.0.26-2.el9_4.1 (AXSA:2024-8954:04)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2024-8954:04 advisory. modhttp2: DoS by null pointer in websocket over HTTP/2 CVE-2024-36387 Tenable has extracted the preceding description block directly from the MiracleLinux...

MiracleLinux 9 : mod_http2-1.15.19-5.el9_3.1 (AXSA:2024-7695:01)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2024-7695:01 advisory. httpd: CONTINUATION frames DoS CVE-2024-27316 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory. Note th...

MiracleLinux 8 : httpd:2.4 (AXSA:2024-8401:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8401:01 advisory. httpd: modmacro: out-of-bounds read vulnerability CVE-2023-31122 modhttp2: reset requests exhaust memory incomplete fix of CVE-2023-44487...

MiracleLinux 9 : mod_http2-2.0.26-2.el9 (AXSA:2024-8097:03)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2024-8097:03 advisory. modhttp2: httpd: CONTINUATION frames DoS CVE-2024-27316 Tenable has extracted the preceding description block directly from the MiracleLinux security advisor...