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...

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...

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...

GHSA-WP74-JGXH-GV4Q Microsoft Security Advisory CVE-2026-50651 – .NET Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET HTTP client System.Net.Http. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

CVE-2026-59173

CVE-2026-59173 is an Uncontrolled Resource Consumption (DoS) vulnerability in Apache Traffic Server. Affected: versions 9.0.0–9.1.13 and 10.0.0–10.1.2. Root cause and impact: unresolved resource exhaustion potentially affecting service availability. Remediation: upgrade to 9.1.14 or 10.1.3, which...

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...

CVE-2026-50197

Summary: CVE-2026-50197 affects zalando/skipper’s OpenPolicyAgent integration. When clients use HTTP/1.1 Transfer-Encoding: chunked or HTTP/2 without Content-Length, the opaAuthorizeRequestWithBody flow exposes an empty raw_body and parsed input.parsed_body to OPA, causing policy checks that rely...

Linux Distros Unpatched Vulnerability : CVE-2026-59173

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Uncontrolled Resource Consumption vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 throu...

CVE-2026-54340 h2o has HTTP/2 state amplification

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can be retained by stalled HTTP/2 streams,...

CVE-2026-54340 h2o has HTTP/2 state amplification

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can be retained by stalled HTTP/2 streams,...

CVE-2026-44982 CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from maxr.ContentLength, 0, so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length...

CVE-2026-44982 CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from maxr.ContentLength, 0, so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

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,...

EUVD-2026-44679

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,...

CVE-2026-59762 BIG-IP HTTP/2 vulnerability

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,...

PT-2026-60185

Name of the Vulnerable Software and Affected Versions F5 BIG-IP affected versions not specified Description When an HTTP/2 profile is configured on a virtual server, specific undisclosed requests can lead to increased memory resource utilization. This data plane issue allows a remote,...

CVE-2026-15713

A vulnerability was found in libsoup's HTTP/2 protocol implementation. The library fails to correctly release memory context blocks under specific stream termination conditions, such as when an HTTP/2 connection encounters window exhaustion or explicit stream resets. A remote, unauthenticated...