CVE-2023-44487

Rapid Reset Client Rapid Reset Client is a tool for testing mitigations and exposure to CVE-2023-44487 rapid reset DDoS attack vector. It implements a minimal HTTP/2 client that opens a single TCP socket, negotiates TLS, ignores the certificate, and exchanges SETTINGS frames. The client then send...

http2-bomb

HTTP/2 Bomb — CVE-2026-49975 HTTP/2 Stream Amplification PoC · Docker · Web Console Vulnerability HTTP/2 allows multiplexing multiple streams over a single TCP connection. This PoC crafts specially formed HEADERS frames containing a large number of internal references, forcing the server to...

rapidresetclient

Rapid Reset Client Rapid Reset Client è uno strumento per testare le mitigazioni e l'esposizione a CVE-2023-44487 vettore di attacco DDoS Rapid Reset. Implementa un client HTTP/2 minimale che apre un singolo socket TCP, negozia TLS, ignora il certificato e scambia frame SETTINGS. Il client invia...

Rocky Linux 8 [CIQ] Security Update: containernetworking-plugins / containernetworking-plugins-debuginfo / etc Multiple Vulnerabilities (crlsa-2019_4273)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20194273 advisory. HTTP/2: flood using PING frames results in unbounded memory growth CVE-2019-9512 HTTP/2: flood using HEADERS frames results in unbounded memory growth...

EUVD-2026-48369

swift-nio-http2: Missing CR/LF/NUL validation in header values...

CVE-2026-64785

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2...

CVE-2026-64785: Inconsistent Interpretation of HTTP Requests

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2...

CVE-2026-12523

Summary Cloudflare quiche's HTTP/3 layer was discovered to be vulnerable to resource exhaustion i.e., memory by means of specially crafted HTTP/3 frames. Impact HTTP/3 defines multiple frame types to support HTTP message exchanges and connection management. Each frame has a length and a payload...

CVE-2026-12523: Uncontrolled Resource Consumption

Summary Cloudflare quiche's HTTP/3 layer was discovered to be vulnerable to resource exhaustion i.e., memory by means of specially crafted HTTP/3 frames. Impact HTTP/3 defines multiple frame types to support HTTP message exchanges and connection management. Each frame has a length and a payload...

CVE-2026-12043

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2...

EUVD-2026-36541

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2...

CVE-2026-12043 Heap double-free in AWS Common Runtime aws-c-http

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2...

CVE-2026-12043

CVE-2026-12043 affects the AWS Common Runtime aws-c-http library due to improper handling of HPACK dynamic table size updates, which can cause memory corruption on a connecting client via a crafted sequence of HTTP/2 HEADERS frames. The vulnerability could lead to arbitrary code execution on vuln...

CVE-2026-12043: Double Free

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2...

PT-2026-48949

Name of the Vulnerable Software and Affected Versions aws-c-http versions prior to 0.11.0 Description Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library allows a remote threat actor operating a server to cause memory corruption on a connecting clien...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the processing of QPACK-encoded HEADERS frames containing trailer field sections. An attacker can cause excessive memory allocation by sending specially crafted frames with ma...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through the decodeHuffmanEncodedLiteral function in the QPACK decoder, which allocates memory for a byte array based on a length value received from the network without verifying that sufficie...

RHCOS 3 : OpenShift Container Platform 3.9 (RHSA-2019:2769)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2769 advisory. - HTTP/2: flood using PING frames results in unbounded memory growth CVE-2019-9512 - HTTP/2: flood using HEADERS frames results in...

nodejs: Nodejs denial of service

A denial of service flaw has been discovered in NodeJS. A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of...

Node.js security vulnerabilities

Node.js is an open-source, cross-platform JavaScript runtime environment developed by the Node.js community. There are security vulnerabilities in Node.js, which stem from unhandled TLSSocket errors when processing malformed HTTP/2 HEADERS frames. These vulnerabilities can lead to process crashes...