PT-2026-108322

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description HTTP/2 servers may crash due to concurrent modification of the HPACK encoder. This occurs when the server modifies the encoder from two goroutines without...

PT-2026-108311

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The HTTP/2 implementation is lax regarding malformed framing-related headers. When acting as a reverse proxy, the system may forward responses containing these...

PT-2026-108314

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server. This occurs when the peer opens a large number of streams and subsequently...

USN-8900-1: Go Networking vulnerabilities

It was discovered that Go Networking did not properly handle server errors after sending a GOAWAY frame during HTTP/2 connection shutdown, which could cause the connection to hang. A remote attacker could possibly use this issue to cause a denial of service. CVE-2022-27664 It was discovered that ...

USN-8900-1 golang-golang-x-net vulnerabilities

It was discovered that Go Networking did not properly handle server errors after sending a GOAWAY frame during HTTP/2 connection shutdown, which could cause the connection to hang. A remote attacker could possibly use this issue to cause a denial of service. CVE-2022-27664 It was discovered that ...

tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak

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...

tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of reques...

Important: Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.2 release and security update

Red Hat JBoss Web Server 7.0.2 is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, and Red Hat Enterprise Linux 10. 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 ...

tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of reques...

tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak

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...

Important: Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.2 release and security update

Red Hat JBoss Web Server 7.0.2 zip release is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, and Windows Server. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...

Security update for libsoup

This update for libsoup fixes the following issues: CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame bsc1271401. CVE-2026-12547: Header "Proxy-Authorization" leads to credentials being send to different proxy after proxy switch bsc1272195. CVE-2026-15711:...

Security update for libsoup

This update for libsoup fixes the following issues: CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame bsc1271401. CVE-2026-12547: Header "Proxy-Authorization" leads to credentials being send to different proxy after proxy switch bsc1272195. CVE-2026-15711:...

CVE-2025-31650

Apache Tomcat 10.1.39 - サービス拒否 DoS このツールは、不正な priority ヘッダーを使用した大規模な非同期HTTP/2リクエストフラッドを実行して、バージョン10.1.10から10.1.39までを実行しているApache Tomcatサーバーの安定性をテストします。 ⚠️ これは厳密に教育および研究目的 のみです。 ❌ 著者は、違法または無許可の使用について一切責任を負いません 。 🧰 機能 ランダム化された不正なHTTP/2 priority ヘッダーを送信 マルチスレッド非同期アーキテクチャ httpx リアルタイムの可用性監視...

cve-2023-44487

CVE-2023-44487（HTTP/2 快速重置） 此仓库中有一些示例尚未完全测试以分析其影响，但我只是想演示此攻击的概念 starting many streams and immediately sending RSTSTREAM frame to avoid reaching MAXCONCURRENTSTREAMS。 H2SpaceX 我使用我创建的 H2SpaceX 低级 HTTP/2 库来利用单包攻击（Single Packet Attack） 示例 这里有 2 个示例： 示例 1 发送 10000 个 GET 请求，并在每个请求之后立即发送 RESET STREAM 帧...

RHCOS 4 : OpenShift Container Platform 4.20.41 (RHSA-2026:74376)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:74376 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame CVE-2026-33814 No...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : libsoup vulnerabilities (USN-8890-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8890-1 advisory. It was discovered that libsoup incorrectly handled certain HTTP/2 requests. A remote attacker could...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : RabbitMQ Server vulnerability (USN-8869-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8869-1 advisory. It was discovered that RabbitMQ Server incorrectly handled certain HTTP/2 headers. An attacker could possibly use this issue to cause a...

RHEL 10 / 8 / 9 : Red Hat JBoss Web Server 7.0.2 (RHSA-2026:76952)

The remote Redhat Enterprise Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:76952 advisory. Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised ...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.41 packages and security update

Red Hat OpenShift Container Platform release 4.20.41 is now available with updates to packages and images that fix several bugs and add enhancements. 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...