Apache HTTP Server: mod_proxy_http2 denial of service

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USN-7639-1 apache2 vulnerabilities

It was discovered that the Apache HTTP Server incorrectly handled certain Content-Type response headers. A remote attacker could possibly use this issue to perform HTTP response splitting attacks. CVE-2024-42516 xiaojunjie discovered that the Apache HTTP Server modproxy module incorrectly handled...

tomcat security update

1:9.0.87-3.el96.1 - Resolves: RHEL-91765 tomcat: DoS via malformed HTTP/2 PRIORITYUPDATE frame CVE-2025-31650 - Resolves: RHEL-71981 tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation CVE-2024-56337 1:9.0.87-3 - Resolves: RHEL-82945 tomcat: Potential RCE and/or...

AZL-65220 CVE-2025-49630 affecting package httpd for versions less than 2.4.64-1

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

AZL-65133 CVE-2025-49630 affecting package mod_http2 1.15.14-2

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

ALPINE-CVE-2025-49630

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with...

Apache HTTP Server 安全漏洞

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A denial of service vulnerability exists in Apache HTTP Server, which stems from a modproxyhttp2 assertion failure that can be...

ROS-20250619-04

Vulnerability of http2 package of Go programming language is related to uncontrolled server resources consumption as a result of resetting Server.MaxConcurrentStreams parameter during request stream processing. as a result of resetting the Server.MaxConcurrentStreams parameter when processing a...

SUSE-SU-2025:01992-1 Security update for golang-github-prometheus-alertmanager

This update for golang-github-prometheus-alertmanager fixes the following issues: - Security: CVE-2025-22870: Fix proxy bypassing using IPv6 zone IDs bsc1238686 CVE-2023-45288: Fix HTTP/2 CONTINUATION flood in net/http bsc1236516...

TencentOS Server 2: qt5-qtbase (TSSA-2024:0378)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0378 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...

TencentOS Server 4: qt5-qtbase (TSSA-2024:0282)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0282 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2025-5991

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a POST request and the simultaneous...

CVE-2025-5991 Use after free in QHttp2ProtocolHandler

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a POST request and the simultaneous...

CVE-2025-5991 Use after free in QHttp2ProtocolHandler

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a POST request and the simultaneous...

PT-2025-25184 · Qt Company +1 · Qt +1

Name of the Vulnerable Software and Affected Versions: Qt versions 6.9.0 Description: The issue is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module, affecting only HTTP/2 handling. This occurs due to a race condition between uploading the body of a POST reque...

USN-7562-1 tomcat vulnerabilities

It was discovered that Tomcat did not include the secure attribute for session cookies when using the RemoteIpFilter with requests from a reverse proxy. An attacker could possibly use this issue to leak sensitive information. This issue was fixed for tomcat8 on Ubuntu 18.04 LTS and for tomcat9 on...

NewStart CGSL MAIN 7.02 : qt5-qtbase Vulnerability (NS-SA-2025-0077)

The remote NewStart CGSL host, running version MAIN 7.02, has qt5-qtbase packages installed that are affected by a vulnerability: - An issue was discovered in HTTP2 in Qt before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3. Code to make...

PT-2025-29118

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.26 through 2.4.63 Description: In specific proxy setups, an untrusted client can trigger a denial of service against Apache HTTP Server. This occurs due to an assertion within the mod proxy http2 module when...

CVE-2022-24667

A program using swift-nio-http2 is vulnerable to a denial of service attack, caused by a network peer sending a specially crafted HPACK-encoded header block. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. There are a number of implementation errors in the parsing of...

CVE-2022-24666

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 1.19.1. This vulnerability is caused by a logical error when parsing a HTTP/2 HEADERS fram...