Amazon Linux 2023 : nginx, nginx-all-modules, nginx-core (ALAS2023-2026-2130)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2130 advisory. An HTTP/2 denial of service vulnerability was found in nginx. Prior to the fix, there was no limit on the number of request headers a client could send. An attacker could seed the HPACK dynamic table...

Security update for tomcat11

This update for tomcat11 fixes the following issues: CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. CVE-2026-65637: Apache Tomcat: HTTP/2 no-authority...

SUSE-SU-2026:4114-1 Security update for tomcat11

This update for tomcat11 fixes the following issues: - CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: Apache Tomcat: HTTP/2...

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...

OPENSUSE-SU-2026:21823-1 Security update for tomcat

This update for tomcat fixes the following issues: - CVE-2026-65182: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: HTTP/2 no-authority bypass of strict SNI validation - fix...

SUSE-SU-2026:23700-1 Security update for tomcat

This update for tomcat fixes the following issues: - CVE-2026-65182: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: HTTP/2 no-authority bypass of strict SNI validation - fix...

SUSE-SU-2026:23720-1 Security update for tomcat

This update for tomcat fixes the following issues: - CVE-2026-65182: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: HTTP/2 no-authority bypass of strict SNI validation - fix...

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: 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: 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: 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...

CVE-2026-16028

A flaw was found in Protocol::HTTP2 for Perl. A remote attacker could exploit this vulnerability by repeatedly opening and closing HTTP/2 streams. This action causes the system to retain residual entries for each closed stream, leading to an unbounded increase in memory usage. This memory...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.46 security and extras update

Red Hat OpenShift Container Platform release 4.19.46 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 4.19. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.19.46 security update

Red Hat build of MicroShift release 4.19.46 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...

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...

RHCOS 4 : Red Hat build of MicroShift 4.19.46 (RHSA-2026:63636)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:63636 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame...

PT-2026-89713

These are all security issues fixed in the perl-Protocol-HTTP2-1.140.0-1.1 package on the GA media of openSUSE Tumbleweed...

GHSA-2V4P-QF9Q-27WJ gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers

A vulnerability exists in gRPC-Go servers configured with xds.NewGRPCServer where a crafted request missing both :authority and Host headers can cause a server panic, resulting in a Denial of Service DoS. Servers built with xds.NewGRPCServer install an xDS routing interceptor on every RPC. This...

gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers

A vulnerability exists in gRPC-Go servers configured with xds.NewGRPCServer where a crafted request missing both :authority and Host headers can cause a server panic, resulting in a Denial of Service DoS. Servers built with xds.NewGRPCServer install an xDS routing interceptor on every RPC. This...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception through the HTTP/2 header processing path in internal/transport/http2server.go and internal/xds/server/routing.go. An attacker can crash the server by sending a gRPC request that omits both the :authority and Host...