CVE-2026-43951: Out-of-bounds Read

Out-of-bounds Read vulnerability in Apache HTTP Server with modheaders and modmime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67...

TencentOS Server 4: httpd (TSSA-2026:0309)

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-2026:0309 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

MiracleLinux 8 : httpd:2.4 (AXSA:2026-762:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-762:01 advisory. httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in...

CVE-2026-29170: Improper Neutralization of Input During Web Page Generation

A cross-site scripting vulnerability exists in modproxyftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to version 2.4.68, which fixes this issue...

CVE-2026-49975: Memory Allocation with Excessive Size Value

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67...

CVE-2026-48913: Use After Free

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...

CVE-2026-48913: Use After Free

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...

Apache HTTP Server resource management error vulnerability

The Apache HTTP Server is an open-source web server developed by the Apache Foundation in the United States. This server is known for its speed, reliability, and ability to be expanded through simple APIs. The Apache HTTP Server has a memory corruption vulnerability. Attackers can exploit this...

Apache Software Foundation Apache HTTP Server Resource Management Error Vulnerability

The Apache HTTP Server is an open-source web server developed by the Apache Foundation in the United States. This server features speed, reliability, and the ability to be expanded through simple APIs. There is a vulnerability in Apache HTTP Server where excessive memory allocation exists;...

Slackware Linux 15.0 / current httpd Vulnerability (SSA:2026-154-01)

The version of httpd installed on the remote host is prior to 2.4.67. It is, therefore, affected by a vulnerability as referenced in the SSA:2026-154-01 advisory. New httpd packages are available for Slackware 15.0 and -current to fix a security issue. Tenable has extracted the preceding...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Apache HTTP Server vulnerability (USN-8384-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8384-1 advisory. It was discovered that Apache HTTP Server incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attack...

RLSA-2026:21433 Important: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd: modproxyajp: heap-based buffer over-read due to missing null-termination...

Apache HTTP Server DoS

The vulnerability of the HTTP/2 header processing module in the Apache HTTP Server is related to the unlimited distribution of resources. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

TencentOS Server 3: httpd:2.4 (TSSA-2026:0425)

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-2026:0425 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

AlmaLinux 8 : httpd:2.4 (ALSA-2026:22140)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:22140 advisory. httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in...

CVE-2026-49975

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67...

RockyLinux 8 : httpd:2.4 (RLSA-2026:22140)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:22140 advisory. httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...