Prototype Pollution

Overview Affected versions of this package are vulnerable to Prototype Pollution in the lookup function when handling HTTP/2 requests. An attacker can cause the application to crash by sending specially crafted HTTP method values that exploit inherited object properties, leading to a denial of...

Updated apache packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Apache HTTP Server: modldap per-dir use-after-free. CVE-2026-29167 Apache HTTP Server: modproxyftp XSS. CVE-2026-29170 Apache HTTP Server: modproxyhtml buffer overflow. CVE-2026-34355 Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow...

Security Bulletin: IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)

Summary IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2 when servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1 is enabled. Vulnerability Details CVEID:CVE-2026-11897 DESCRIPTION: IBM WebSphere Application Server Liberty is...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:axios is a promise-based HTTP client for the browser and Node.js. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 stream handling of lib/adapters/http.js, which does not enforce maxBodyLength on stream...

nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames

A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service...

dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM

.NET Denial of Service Vulnerability - HTTP/2 SETTINGS/PING ACK flood causing OOM...

CVE-2026-50197 Skipper: opaAuthorizeRequestWithBody filter bypasses OPA policy on Transfer-Encoding: chunked / HTTP/2 requests

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.10, zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header, because the...

EUVD-2026-45289

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.10, zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header, because the...

CVE-2026-50197 Skipper: opaAuthorizeRequestWithBody filter bypasses OPA policy on Transfer-Encoding: chunked / HTTP/2 requests

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.10, zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header, because the...

F5 Networks BIG-IP : BIG-IP HTTP/2 vulnerability (K000162231)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.4 / 17.5.1.8 / 21.0.0.3 / 21.1.0.1. It is, therefore, affected by a vulnerability as referenced in the K000162231 advisory. When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an...

CVE-2026-59762

When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Impact: System performance can degrade until the TMM process is either forced to restart or is manually restarted. This vulnerability allows a remote,...

Linux Distros Unpatched Vulnerability : CVE-2026-15713

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was found in libsoup's HTTP/2 protocol implementation. The library fails to correctly release memory context blocks under specific stream...

CVE-2026-15713

This CVE affects Libsoup’s HTTP/2 implementation. The issue is a memory leak where memory context blocks are not properly released under specific stream termination conditions (e.g., window exhaustion or explicit stream resets). A remote, unauthenticated attacker acting as a malicious network pee...

CVE-2026-49788

CVE-2026-49788 : An HTTP/2 denial-of-service vulnerability due to unbounded resource allocation allows an unauthenticated network attacker to exhaust resources and disrupt service. CVSSv3.1 base score 7.5 (HIGH); vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. No product/vendor/version details are p...

CVE-2026-49788 HTTP/2 Denial of Service Vulnerability

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OESA-2026-2980 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade...

ROS-20260709-73-0023

The vulnerability in the HTTP/2 implementation using the Go programming language arises from executing a loop with an unreachable exit condition when processing the value of SETTINGSMAXFRAMESIZE, which is equal to 0. Exploiting this vulnerability could allow a remote attacker to cause a service...

CVE-2026-10536

A flaw was found in libcurl. This use-after-free vulnerability occurs when an application configures an HTTP/2 stream-dependency tree and then performs a sequence of operations involving curleasyreset and curleasycleanup. During the final cleanup, libcurl attempts to access memory that has alread...

Apache HttpComponents Core resource management error vulnerability

Apache HttpComponents Core is an open-source core library for HTTP components developed by the Apache Foundation in the United States. There is a resource management vulnerability in Apache HttpComponents Core. This vulnerability stems from unlimited or throttled resource allocation in the HTTP/2...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...