CVE-2026-48913

Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67...

Astra Linux - уязвимость в apache2

In certain proxy configurations, a denial-of-service attack against Apache HTTP Server versions 2.4.26 through 2.4.63 can occur when untrusted clients trigger an assertion in modproxyhttp2. The configurations affected include reverse proxies configured for HTTP/2 backends, where ProxyPreserveHost...

EulerOS Virtualization 2.13.0 : mod_http2 (EulerOS-SA-2025-2588)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

RHEL 8 : httpd:2.4 (RHSA-2025:15516)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15516 advisory. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: insufficient...

USN-6729-3 apache2 vulnerabilities

USN-6729-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: Orange Tsai discovered that the Apache HTTP Server incorrectly handled validating certain input. A remote attacker could possibly use this issue ...

SUSE CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

SUSE CVE-2020-11993

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of modhttp2 above "info" will mitigate this...

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns logging statements were made on the wrong connection causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

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DEBIAN-CVE-2020-11993

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of modhttp2 above "info" will mitigate this...

httpd: mod_http2: read-after-free on a string compare

A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly...

The vulnerability of the HTTP/2 module of the Apache Traffic Server allows attackers to compromise the confidentiality, integrity, and accessibility of data.

The vulnerability of the HTTP/2 module in the Apache Traffic Server exists due to improper handling of HTTP/2 requests. Exploiting this vulnerability allows a remote attacker to compromise the confidentiality, integrity, and accessibility of data...

httpd: mod_http2: DoS via slow, unneeded request bodies

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 modhttp2 connections...

httpd: mod_http2: read-after-free on a string compare

A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly...

USN-3937-1 apache2 vulnerabilities

Charles Fol discovered that the Apache HTTP Server incorrectly handled the scoreboard shared memory area. A remote attacker able to upload and run scripts could possibly use this issue to execute arbitrary code with root privileges. CVE-2019-0211 It was discovered that the Apache HTTP Server HTTP...

nginx: Excessive memory consumption via flaw in HTTP/2 implementation

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

ALPINE-CVE-2018-16843

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

ALPINE-CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

PT-2018-2562 · Nginx +4 · Nginx +4

Name of the Vulnerable Software and Affected Versions: nginx versions 1.14.0 through 1.14.1 nginx versions 1.15.0 through 1.15.6 Description: The issue is related to the implementation of HTTP/2 in nginx, which can lead to excessive CPU usage. This problem affects nginx compiled with the ngx http...

PT-2018-2561 · Nginx +4 · Nginx +4

Name of the Vulnerable Software and Affected Versions: nginx versions prior to 1.15.6 nginx versions prior to 1.14.1 Description: The issue is related to the implementation of the HTTP/2 protocol in the nginx server, which can lead to uncontrolled resource consumption. This can allow a remote...

UBUNTU-CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...