CVE-2023-44487-dos

CVE-2023-44487 HTTP/2 Rapid Reset 这个仓库里有一些例子并未完全测试以分析影响，但我只是想要演示这种攻击的概念（启动大量流并立即发送RSTSTREAM帧以避免达到MAXCONCURRENTSTREAMS）。 我使用H2SpaceX低级HTTP/2库，这是我为利用单包攻击而创建的。 发送100000个POST请求（使用单包攻击技术），导致服务器等待最后一个字节，然后在每个请求后发送RESET STREAM帧。 该工具还使用线程来打开更多的H2连接。 只需运行 python...

CVE_2023_44487-Rapid_Reset

CVE-2023-44487 HTTP/2 Rapid Reset 测试工具 - 增强版 一个针对 CVE-2023-44487 （HTTP/2 Rapid Reset 漏洞）的全面 Python 测试工具。此仓库包含攻击测试和验证分析工具。 ⚠️ 重要免责声明 此工具仅用于教育和授权测试目的！ 仅对您拥有或已获得明确书面许可的系统使用 未经授权使用可能违法，并可能导致服务中断 这些工具执行攻击测试，可能影响服务器可用性 测试前务必确保持有适当授权 🔍 关于 CVE-2023-44487 CVE-2023-44487，也称为“HTTP/2 Rapid Reset”，是 HTTP/2...

CVE-2026-83280

CVE-2026-83280 is a Denial of Service vulnerability in Oracle Helidon (component: helidon-webserver-http2 ), part of Oracle Fusion Middleware. Affected versions are 4.0.0 through 4.5.4 . An unauthenticated attacker with network access can send crafted requests via HTTP/2 to cause a hang or freque...

[SECURITY] Fedora 44 Update: perl-Protocol-HTTP2-1.14-1.fc44

Protocol::HTTP2 is Perl HTTP/2 protocol implementation RFC 7540 with stateful decoders/encoders of HTTP/2 frames. You may use this module to implement your own HTTP/2 client/server/intermediate on top of your favorite event loop over plain or TLS socket...

Linux Distros Unpatched Vulnerability : CVE-2026-45764

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a...

UBUNTU-CVE-2026-16028

Protocol::HTTP2 versions before 1.14 for Perl allow memory exhaustion via closed streams that streamstate never removes from the connection stream table. When a stream reaches the CLOSED state, streamstate returns the concurrency slot and clears most of the stream's keys, but the entry itself sta...

AlmaLinux 9 : nodejs:22 (ALSA-2026:61383)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:61383 advisory. nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw CVE-2026-58043 nodejs: Node.js: Remote memory exhaustion via...

OPENSUSE-SU-2026:11523-1 python313-h2-4.4.1-1.1 on GA media

These are all security issues fixed in the python313-h2-4.4.1-1.1 package on the GA media of openSUSE Tumbleweed...

org.apache.httpcomponents.core5/httpcore5-h2: Apache HttpComponents Core: Denial of Service via oversized HTTP/2 HPACK header blocks

A flaw was found in Apache HttpComponents Core. This vulnerability, located in the HTTP/2 HPACK decoder, allows a remote attacker to cause a denial of service. By sending oversized compressed header blocks, an attacker can exhaust memory resources before the system's configured header list size...

RHEL 9 : nghttp2 (RHSA-2026:54662)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:54662 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: HTTP...

AZL-92402 CVE-2026-15713 affecting package libsoup 3.4.4-17

A vulnerability was found in libsoup's HTTP/2 protocol implementation. The library fails to correctly release memory context blocks under specific stream termination conditions, such as when an HTTP/2 connection encounters window exhaustion or explicit stream resets. A remote, unauthenticated...

AZL-86004 CVE-2026-23918 affecting package httpd for versions less than 2.4.67-1

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue...

EUVD-2022-0967

Malicious code in bioql PyPI...

Security Bulletin: IBM Cloud Pak for Data is vulnerable to denial of service attacks due to http2 ( CVE-2023-44487 )

Summary Potential vulnerabilities in http2 package CVE-2023-44487 has been identified that may affect IBM Cloud Pak for Data. Vulnerability Details CVEID:CVE-2023-44487 DESCRIPTION: The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset...

NewStart CGSL MAIN 7.02 : nghttp2 Multiple Vulnerabilities (NS-SA-2025-0134)

The remote NewStart CGSL host, running version MAIN 7.02, has nghttp2 packages installed that are affected by multiple vulnerabilities: - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wil...

BIT-TOMCAT-2023-44487

The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023...

Security Bulletin: IBM QRadar SIEM protocols are affected by denial of service.

Summary gRPC is affected by denial of service and connection termination issues due to flaws in request parsing and protocol handling. These issues may result in excessive resource consumption or unexpected disruptions in service availability. Vulnerability Details CVEID:CVE-2023-33953 DESCRIPTIO...

Advisory ROSA-SA-2025-2895

Software: nginx 1.20.1 OS: rosa-server79 packageevrstring: nginx-1.20.1-22.res7.2 CVE-ID: CVE-2021-3618 BDU-ID: 2022-00351 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the vsftpd FTP server is related to a lack of protection for transmitted data. Exploitation of the vulnerability could allow an...

TencentOS Server 3: go-toolset:rhel8 (TSSA-2024:0222)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0222 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

TencentOS Server 3: nodejs:16 (TSSA-2023:0253)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2023:0253 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...