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...

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...

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

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...

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...

CVE-2025-64702

quic-go is an implementation of the QUIC protocol in Go. Versions 0.56.0 and below are vulnerable to excessive memory allocation through quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large header field section many unique header...

EUVD-2020-30301

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2019-9518

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an...

Denial of service via HTTP/2 HEADERS frames padding

A program using swift-nio-http2 is vulnerable to a denial of service attack, caused by a network peer sending a specially crafted HTTP/2 frame. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.2. It is fixed in 1.20.0 and later releases. This vulnerability is caused by a logica...

SUSE CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

SUSE CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...

CentOS 8 : container-tools:1.0 (CESA-2019:4273)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2019:4273 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...

UBUNTU-CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...

CVE-2020-9494

CVE-2020-9494 affects Apache Tomcat across multiple branches and versions: 7.0.0–7.0.107, 8.5.0–8.5.61, 9.0.0-M1–9.0.41, and 10.0.0-M1–10.0.0. The issue stems from handling of HTTP/2 HEADERS frames that can cause excessive memory allocation and thread spinning. Connected advisories note the fix f...

HTTP/2: flood using HEADERS frames results in unbounded memory growth

A flaw was found in HTTP/2. Using HEADER frames with invalid HTTP headers and queuing of response RSTSTREAM frames, an attacker could cause a flood resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...