GHSA-5X3R-WRVG-RP6Q Netty HTTP/2: Advertised MAX_CONCURRENT_STREAMS are not enforced

Impact DefaultHttp2Connection.DefaultEndpoint initialises maxActiveStreams/maxStreams to Integer.MAXVALUE, and Http2Settings never inserts SETTINGSMAXCONCURRENTSTREAMS by default Http2Settings.java:305-307 only clamps a user-supplied value. Unless the application explicitly calls...

ac.intave:cloud-protocol (>=0.0.1, <=0.0.11), africa.absa:inception-application (>=1.0.0, <=1.2.0) +34605 more potentially affected by CVE-2026-47244 via io.netty:netty-codec-http2 (>=4.1.0.beta4, <=4.1.134.final)

io.netty:netty-codec-http2 MAVEN version =4.1.0.beta4, =0.0.1, =1.0.0, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0 and more Source cves:...

GHSA-36W4-95HV-5VWG gun_http2 has an Origin Validation Error vulnerability

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...

CVE-2026-49975 Apache HTTP Server: mod_http2 denial of service

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67...

CVE-2026-48913 Apache HTTP Server: mod_http2 memory corruption when file handles exhausted

Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67...

EUVD-2026-35101

Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67...

CVE-2026-48913 Apache HTTP Server: mod_http2 memory corruption when file handles exhausted

Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67...

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...

OPENSUSE-SU-2026:20920-1 Security update for elemental-register

This update for elemental-register fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260277. Changes: - Update to v1.9.2: 71d1fb9c Local node labels 984 ce6acda9 Bump golang.org/x/net to v0.55...

CVE-2026-43972 gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection

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 Access Control Vulnerability

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...

Amazon Linux 2 : amazon-ssm-agent (ALAS-2026-3350)

The version of amazon-ssm-agent installed on the remote host is prior to 3.3.4515.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3350 advisory. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames...

Amazon Linux 2023 : amazon-ssm-agent (ALAS2023-2026-1813)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1813 advisory. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0. CVE-2026-33814 Improper...

CVE-2026-10725

Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory the "HTTP/2 bomb". The headersdecode method materialises a full key+value copy per indexe...

CVE-2026-10725: Improper Handling of Highly Compressed Data (Data Amplification)

Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory the "HTTP/2 bomb". The headersdecode method materialises a full key+value copy per indexe...

PT-2026-47148

Name of the Vulnerable Software and Affected Versions Protocol::HTTP2 versions prior to 1.13 Description The software is susceptible to an HTTP/2 Bomb, where a small request can expand into large server memory consumption. This occurs because the inbound HPACK path lacks a header-list size limit...

RHEL 9 : mod_http2 (RHSA-2026:22551)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:22551 advisory. 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...

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-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...

image-builder security update

An update is available for image-builder. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list A local binary for building customized OS artifacts such as VM images a...