CVE-2026-84304 gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

Security Bulletin: IBM Storage Fusion Data Foundation is vulnerable to Authorization Bypass.

Summary google.golang.org/grpc is used by IBM Storage Fusion Data Foundation, which could allow Authorization Bypass. CVE-2026-33186. Vulnerability Details CVEID:CVE-2026-33186 DESCRIPTION: gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.36 security and extras update

Red Hat OpenShift Container Platform release 4.20.36 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 4.20. Red Hat Product Security has rated this update as having a security impact of...

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...

Updated varnish packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cache poisoning or authentication bypass. CVE-2026-34475 In Vinyl Cac...

MGASA-2026-0357 Updated varnish packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cache poisoning or authentication bypass. CVE-2026-34475 In Vinyl Cac...

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...

CVE-2026-84304: Uncontrolled Resource Consumption

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

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 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 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...

RHCOS 4 : Red Hat build of MicroShift 4.21.31 (RHSA-2026:60668)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:60668 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame CVE-2026-33814 No...

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...