CVE-2026-13474

The CVE-2026-13474 vulnerability affects NetScaler ADC and NetScaler Gateway when HTTP/2 is enabled in an HTTP Profile and tied to a virtual server (LB, CS, VPN) or its service. It allows denial of service via malformed HTTP/2 requests, impacting availability. CVSS v4.0 base score 8.7 (HIGH) with...

undertow: Undertow MadeYouReset HTTP/2 DDoS Vulnerability

A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts...

CVE-2026-13762

CVE-2026-13762 involves an vulnerability in Amazon CloudFront when AWS WAF is enabled. The issue arises from an inconsistent interpretation of HTTP/2 requests, which can allow remote actors to bypass AWS WAF managed body‑inspection by fragmenting the request body across frames so that only a part...

CVE-2026-48619

A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service. Mitigation Mitigation for this issue is either not available or the currently...

CVE-2026-48619

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

SUSE SLES15 Security Update : apptainer (SUSE-SU-2026:2609-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2609-1 advisory. This update for apptainer fixes the following issues - CVE-2026-24137: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client allows for...

SUSE SLES16: apache2 / apache2-devel / apache2-event / apache2-manual / etc (SUSE-SU-2026:22209-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22209-1 advisory. This update for apache2 fixes the following issues - CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957...

CVE-2026-42055

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

CURL-CVE-2026-10536 HTTP/2 stream-dependency tree UAF

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

CVE-2023-54365

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

JLSEC-2026-623 Insufficient HTTP/2 pseudo-header and Host/:authority validation in HTTP.jl server

Description The HTTP/2 server's request validator passed only :method, :path, and :authority through a normalizer that rejects CR/LF/CTL but permits SP/HTAB and applies no host or token grammar. As a result a :method such as "GET /admin?x=" was accepted, :path could carry interior whitespace, and...

CVE-2023-54365

The CVE covers Traefik versions prior to 2.10.5 and 3.0.0-beta4 affected by a denial-of-service in HTTP/2 request handling derived from the Go standard library’s HTTP/2 implementation (the Rapid Reset technique). A remote attacker can rapidly create and cancel HTTP/2 streams, exhausting server re...

EUVD-2023-60596

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

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...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

SUSE-SU-2026:22242-1 Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues - CVE-2023-45288: golang.org/x/net/http2: close connections when receiving too many headers bsc1236533. - CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents bsc1251453. -...

Important: ecs-service-connect-agent

Issue Overview: A denial-of-service vulnerability was found in Envoy's HTTP/2 HPACK header compression implementation. A remote attacker could send a specially crafted HTTP/2 request that triggers disproportionately large memory allocations on the server, leading to resource exhaustion and denial...

SUSE-SU-2026:22193-1 Security update for mcphost

This update for mcphost fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues when parsing HTML files bsc1267109. - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad...

SUSE-SU-2026:22226-1 Security update for mcphost

This update for mcphost fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues when parsing HTML files bsc1267109. - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad...

Linux Distros Unpatched Vulnerability : CVE-2026-48619

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This...