Important: Red Hat Security Advisory: nghttp2 security update

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. 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 these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

RLSA-2026:7667 Important: nghttp2 security update

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination CVE-2026-27135 For more details about the security issues, including the impact, a CVSS...

Node.js: Unbounded memory growth in `node:http2` clients via attacker-controlled ORIGIN frames

Vulnerability description not provided...

RHEL 8 : nghttp2 (RHSA-2026:8540)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:8540 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: Denial of...

RHEL 8 : nghttp2 (RHSA-2026:8539)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:8539 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: Denial of...

RHEL 9 : nghttp2 (RHSA-2026:8548)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:8548 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: Denial of...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

SUSE-SU-2026:1371-1 Security update for nodejs20

This update for nodejs20 fixes the following issues: Update to version 20.20.2. - CVE-2026-21717: trivially predictable hash collisions due to flaw in V8's string hashing mechanism allows for performance degradation via a crafted request bsc1260494. - CVE-2026-21716: incomplete fix for...

RLSA-2026:7668 Important: nghttp2 security update

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination CVE-2026-27135 For more details about the security issues, including the impact, a CVSS...

Denial Of Service (DoS)

Axios is vulnerable to Denial Of Service DoS. The vulnerability is due to a state corruption bug in HTTP/2 session cleanup logic, which allows a malicious server to trigger concurrent session closures and crash the client process...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. 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 these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. 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 these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

Security update for ignition

This update for ignition fixes the following issue: CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo-header bsc1260251. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST...

SUSE-SU-2026:21128-1 Security update for ignition

This update for ignition fixes the following issue: - CVE-2026-33186: Fixed an authorization bypass due to improper validation of the HTTP/2: path pseudo-header bsc1260251...

CLEANSTART-2026-XO66325 Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

Multiple security vulnerabilities affect the gitea-fips package. Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic See references for individual vulnerability details...

nodejs:20 security update

An update is available for nodejs, module.nodejs-packaging, nodejs-packaging, module.nodejs, nodejs-nodemon, module.nodejs-nodemon. 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...

Amazon Linux 2 : docker, --advisory ALAS2ECS-2026-106 (ALASECS-2026-106)

"The version of docker installed on the remote host is prior to 25.0.14-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-106 advisory. url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix...

Amazon Linux 2 : docker, --advisory ALAS2NITRO-ENCLAVES-2026-094 (ALASNITRO-ENCLAVES-2026-094)

"The version of docker installed on the remote host is prior to 25.0.14-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-094 advisory. url.Parse insufficiently validated the host/authority component and accepted some invalid URLs...