Linux Distros Unpatched Vulnerability : CVE-2026-56819

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through...

OPENSUSE-SU-2026:21439-1 Security update for nginx

This update for nginx fixes the following issues - CVE-2026-40460: bypass of authorization and bypass of rate limiting when NGINX is configured to use the HTTP/3 QUIC module bsc1265228. - CVE-2026-42055: heap-based buffer overflow in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules...

find-my-way: DDoS with HTTP2

Impact Remotely triggerable DoS in find-my-way when it is used with Node's HTTP/2 server. The short version is that lookup passes req.method into find, and find indexes this.treesmethod. Since this.trees is a normal object, HTTP/2 method values like constructor, toString, or proto can resolve...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

RLSA-2026:41901 Important: .NET 8.0 security, bug fix, and enhancement update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.129 and .NET Runtime 8.0.29...

PT-2026-64211

Name of the Vulnerable Software and Affected Versions find-my-way versions prior to 9.7.0 Description A remotely triggerable Denial of Service DoS exists when the software is used with Node's HTTP/2 server. The lookup function passes the req.method variable into the find function, which then...

RHEL 9 : .NET 9.0 (RHSA-2026:41896)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41896 advisory. .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR...

GHSA-7P3P-8QV8-M2VH Eclipse Jetty: HTTP Authority/Host mismatch

Summary Jetty currently accepts HTTP/2 and HTTP/3 requests where the regular Host header and the pseudo-header :authority do not match. As a result, the same request can carry two different host identities through Jetty: - logic based on HttpURI / Request.getServerNamerequest uses :authority -...

EUVD-2026-46695

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware component: Core. Supported versions that are affected are 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Oracle Coherence...

openSUSE 16 Security Update : ctop (openSUSE-SU-2026:21379-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21379-1 advisory. Changes in ctop embedded dependencies: - CVE-2022-21698: clientgolang: Denial of service using InstrumentHandlerCounter bsc1248710 -...

CVE-2026-56819

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

DEBIAN-CVE-2026-56819

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

CVE-2026-60280

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware component: Core. Supported versions that are affected are 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Oracle Coherence...

CVE-2026-60264

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware component: Core. Supported versions that are affected are 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Oracle Coherence...

CVE-2026-56819

What was affected: Netty versions 4.2.0.Final–4.2.15.Final and 4.1.0.Final–4.1.135.Final. Root cause: when processing HTTP/2 DATA frames for streams whose decompressor had already closed, Http2Decompressor.decompress(...) retains the inbound ByteBuf and does not release it on the error path, leak...

CVE-2026-56819

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

CVE-2026-56819 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

GHSA-HRXH-6V49-42GF gRPC-Go: xDS RBAC and HTTP/2 Vulnerabilities

Multiple security vulnerabilities have been identified and addressed in grpc-go affecting the xDS RBAC authorization engine internal/xds/rbac and the HTTP/2 transport server implementation internal/transport. These vulnerabilities could result in: - Authorization Bypass Fail-Open when translating...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the processing of xDS RBAC policies and HTTP/2 transport handling. An attacker can gain unauthorized access to protected services or cause denial of service by exploiting improper handling of unsupported field...

nginx security update

1.26.3-6.0.1.el102.5 - Reference oracle-indexhtml within Requires Orabug: 33802044 2:1.26.3-6.5 - Resolves: RHEL-191778 - nginx: 'HTTP/2 bomb' nginx fix breaks module ABI causing crashes - Resolves: RHEL-188402 - nginx: NGINX: Arbitrary code execution or. Denial of Service via heap-based buffer...