PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling

Impact Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1. A malicious client can: - Send more DATA bytes than declared, smuggling additional content past...

CVE-2026-48937

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a GOAWAY frame. This vulnerability affects two supported release lines: Node.js 22 and Node.js 24...

PT-2026-50544

Name of the Vulnerable Software and Affected Versions PHP Standard Library PSL versions 6.1.0 through 6.1.1 PHP Standard Library PSL version 6.2.0 Description The PslH2ServerConnection function does not validate that the total bytes received in DATA frames match the content-length header declared...

CVE-2026-41227

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

PT-2026-40661

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.1 F5 BIG-IP versions prior to 17.5.1.4 Description On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can lead to excessive resource allocation and increased memory...

RockyLinux 10 : libsoup3 (RLSA-2026:15968)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:15968 advisory. libsoup: libsoup: Denial of Service via Use-After-Free in HTTP/2 server CVE-2026-4271 libsoup: libsoup: Information disclosure via cleartext transmissi...

CVE-2026-33871

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, a remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on the number of...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the http/2 server implementation. An attacker can cause application instability or crashes by sending specially crafted HTTP/2 requests that trigger authentication failures, leading to access of freed memory. Note: Thi...

CVE-2026-4271

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

CVE-2026-4271

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

CVE-2026-4271 Libsoup: libsoup: denial of service via use-after-free in http/2 server

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

CVE-2026-4271

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

Unity Linux 20.1070e Security Update: nodejs (UTSA-2025-993344)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993344 advisory. A memory leak could occur when a remote peer abruptly closes the socket without sending a GOAWAY notification. Additionally, if an invalid header was detected by...

TencentOS Server 4: nodejs (TSSA-2025:0324)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0324 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

The vulnerability of the HTTP2 server handler in Apache Tomcat allows a attacker to cause a service failure.

The vulnerability of the HTTP2 server handler in Apache Tomcat is related to improper resource release. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

CVE-2025-32908

A flaw was found in libsoup. The HTTP/2 server in libsoup may not fully validate the values of pseudo-headers :scheme, :authority, and :path, which may allow a user to cause a denial of service DoS...

SUSE CVE-2025-23085

A memory leak could occur when a remote peer abruptly closes the socket without sending a GOAWAY notification. Additionally, if an invalid header was detected by nghttp2, causing the connection to be terminated by the peer, the same leak was triggered. This flaw could lead to increased memory...

OESA-2024-2171 nodejs security update

Node.js is an open-source, cross-platform, JavaScript runtime environment, it executes JavaScript code outside of a browser. Security Fixes: Node.js versions which bundle an unpatched version of OpenSSL or run against a dynamically linked version of OpenSSL which are unpatched are vulnerable to t...

AZL-37078 CVE-2024-2398 affecting package curl for versions less than 8.8.0-1

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit 1000, libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead lea...

SUSE CVE-2022-2048

In Eclipse Jetty HTTP/2 server implementation, when encountering an invalid HTTP/2 request, the error handling has a bug that can wind up not properly cleaning up the active connections and associated resources. This can lead to a Denial of Service scenario where there are no enough resources lef...