CVE-2026-71554

A flaw was found in h2, a Python library for HTTP/2. This vulnerability allows a remote attacker to perform request smuggling. The library incorrectly processes HTTP/2 requests that contain more than one Host header. When these requests are downgraded to HTTP/1.1 by a consuming application, the...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.31 security and extras update

Red Hat OpenShift Container Platform release 4.21.31 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...

Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.21.31 security update

Red Hat build of MicroShift release 4.21.31 is now available with updates to packages and images that include a security update. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

AlmaLinux 10 : nodejs22 (ALSA-2026:61376)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:61376 advisory. nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion via...

AlmaLinux 10 : nodejs24 (ALSA-2026:61377)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:61377 advisory. nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion via...

AlmaLinux 9 : nodejs:22 (ALSA-2026:61383)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:61383 advisory. nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion via...

AlmaLinux 9 : nodejs:24 (ALSA-2026:61386)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:61386 advisory. nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion via...

Updated python-hpack packages fix a security vulnerability

An issue was found in the python-hyper/hpack library, most commonly used as a downstream dependency of the python-hyper/h2 library an HTTP/2 client and server implementation. Unbounded variable integer decoding can cause run-away computation on malformed input leading to On^2 runtime, effectively...

MGASA-2026-0349 Updated python-hpack packages fix a security vulnerability

An issue was found in the python-hyper/hpack library, most commonly used as a downstream dependency of the python-hyper/h2 library an HTTP/2 client and server implementation. Unbounded variable integer decoding can cause run-away computation on malformed input leading to On^2 runtime, effectively...

CVE-2026-68763

A flaw was found in Apache Tomcat. This vulnerability, an uncontrolled resource consumption issue, arises from an allocation leak in the HTTP/2 backlog tracking when a stream is reset. A remote attacker could exploit this to cause a Denial of Service DoS, making the server unresponsive or...

nodejs:24 security update

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

nodejs:22 security update

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

RLSA-2026:61386 Important: nodejs:24 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion...

RLSA-2026:61383 Important: nodejs:22 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion...

CVE-2026-65637

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of...

nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks

A flaw was found in Node.js's handling of HTTP/2. This vulnerability allows a remote attacker to bypass maxSessionMemory limits by sending specially crafted HTTP/2 retained header blocks. This can lead to memory exhaustion, resulting in a denial of service DoS for the affected system...

Important: Red Hat Security Advisory: nodejs:22 security update

An update for the nodejs:22 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

nodejs: Node.js: Heap-use-after-free in HTTP/2 handling can lead to denial of service

A heap use-after-free vulnerability in the Node.js HTTP/2 component allows a remote attacker to crash the application, causing a denial of service. This is triggered by an unexpected re-entrant call to nghttp2sessionmemsend while nghttp2sessionmemrecv is still executing...