RLSA-2026:25225 Important: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 For more details about the security issues, including the impact, a...

CVE-2026-43972

Origin Validation Error vulnerability in ninenines gun gunhttp2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSHPROMISE authority. In gunhttp2:pushpromiseframe/7, the :authority pseudo-header from an incoming PUSHPROMISE frame is stored verbatim into the promised stream...

Gun 访问控制错误漏洞

Gun is an open-source Erlang HTTP client developed by Nine Nines that supports HTTP/1.1, HTTP/2, and WebSocket. In versions 2.0.0 to 2.4.0 of Gun, there was a access control vulnerability. This vulnerability stemmed from a source validation error in the gunhttp2 module, which could allow...

PT-2026-47331

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.55 through 2.4.67 Description A Use After Free issue exists in the mod http2 module of Apache HTTP Server, which occurs when file handles are already exhausted. Use After Free is a memory corruption flaw where a...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

ALSA-2026:22528 Moderate: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...

Moderate: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918 Double-free in Apache httpd modhttp2 stream c...

CLSA-2026-1778107205 Fix CVE(s): CVE-2026-23918

SECURITY UPDATE: double free / possible RCE in modhttp2 stream purge - debian/patches/CVE-2026-23918.patch: deduplicate inserts into the spurge array in modules/http2/h2mplx.c via a new addforpurge helper to prevent the same h2stream from being freed twice. - CVE-2026-23918...

FreeBSD : www/apache24 -- Multiple vulnerabilities (1ccc383b-486a-11f1-8b62-8447094a420f)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 1ccc383b-486a-11f1-8b62-8447094a420f advisory. The Apache httpd project reports: modproxyajp: CVE-2026-34059, CVE-2026-34032, CVE-2026-33857,...

MiracleLinux 4 : httpd24-httpd-2.4.25-9.AXS4 (AXSA:2017-1637:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2017-1637:01 advisory. The Apache HTTP Server is a powerful, efficient, and extensible web server. Security issues fixed with this release: CVE-2016-0736 RESERVED This...

MiracleLinux 8 : httpd:2.4 (AXSA:2025-10834:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10834:01 advisory. httpd: insufficient escaping of user-supplied data in modssl CVE-2024-47252 httpd: modssl: access control bypass by trusted clients is possible usi...

mod_http2 security update

An update is available for modhttp2. This update affects Rocky Linux 10. 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 o...

RLSA-2025:14625 Moderate: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modproxyhttp2: untrusted input from a client causes an assertion to fail in the Apache modproxyhttp2 module CVE-2025-49630 For more details about the security...

Apache HTTP Server: mod_proxy_http2 denial of service

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USN-6729-1 apache2 vulnerabilities

Orange Tsai discovered that the Apache HTTP Server incorrectly handled validating certain input. A remote attacker could possibly use this issue to perform HTTP request splitting attacks. CVE-2023-38709 Keran Mu and Jianjun Chen discovered that the Apache HTTP Server incorrectly handled validatin...

PT-2021-5821 · Node.Js +7 · Node.Js +7

Name of the Vulnerable Software and Affected Versions: Node.js versions prior to 12.22.4 Node.js versions prior to 14.17.4 Node.js versions prior to 16.6.0 Description: The issue is related to a use after free attack in Node.js, where an attacker might exploit memory corruption to change process...

httpd: mod_http2 concurrent pool usage

A flaw was found in Apache httpd in versions 2.4.20 to 2.4.43. Logging using the wrong pool by modhttp2 at debug/trace log level may lead to potential crashes and denial of service. The highest threat from this vulnerability is to system availability...

httpd: memory corruption on early pushes

A vulnerability was found in Apache httpd, in modhttp2. Under certain circumstances, HTTP/2 early pushes could lead to memory corruption, causing a server to crash...

The vulnerability of the mod_http2 module in the Apache HTTP Server allows a attacker to cause a service failure or gain access to confidential information.

The vulnerability of the modhttp2 module in the Apache HTTP Server is related to the use of memory after deallocation. Exploiting this vulnerability can allow a malicious actor to cause service failures or gain access to confidential information by sending specially crafted requests...