Category
Sort By
The most effective defense against these exploits is upgrading to the latest stable release of Apache HTTPD (2.4.x sequence). Modern versions resolve all header parsing vulnerabilities, include robust HTTP/2 stream management, and close legacy authentication bypass vectors. On Debian/Ubuntu-based systems: sudo apt update sudo apt --only-upgrade install apache2 Use code with caution. On RHEL/Rocky Linux systems: sudo dnf upgrade httpd Use code with caution. Secondary Solution: Configuration Hardening
This can lead to a server crash (Denial of Service) or, under specific memory layouts, the execution of malicious code.
HTTP/1.1 200 OK Date: Mon, 01 Jun 2026 12:00:00 GMT Server: Apache/2.4.18 (Ubuntu) Content-Type: text/html Use code with caution. Automated Vulnerability Scanning
Remote attackers typically scan the internet for specific headers identifying the server version: Server: Apache/2.4.18 (Ubuntu) Use code with caution.
7.5 (High) Type: Information Disclosure / Proxy Misconfiguration
Attackers typically overwrite function pointers in the shared memory to execute arbitrary code with root authority.
There is no known public remote code execution exploit against a default, fully-patched Apache 2.4.18 as distributed by a major vendor after 2016.
The most effective defense against these exploits is upgrading to the latest stable release of Apache HTTPD (2.4.x sequence). Modern versions resolve all header parsing vulnerabilities, include robust HTTP/2 stream management, and close legacy authentication bypass vectors. On Debian/Ubuntu-based systems: sudo apt update sudo apt --only-upgrade install apache2 Use code with caution. On RHEL/Rocky Linux systems: sudo dnf upgrade httpd Use code with caution. Secondary Solution: Configuration Hardening
This can lead to a server crash (Denial of Service) or, under specific memory layouts, the execution of malicious code.
HTTP/1.1 200 OK Date: Mon, 01 Jun 2026 12:00:00 GMT Server: Apache/2.4.18 (Ubuntu) Content-Type: text/html Use code with caution. Automated Vulnerability Scanning
Remote attackers typically scan the internet for specific headers identifying the server version: Server: Apache/2.4.18 (Ubuntu) Use code with caution.
7.5 (High) Type: Information Disclosure / Proxy Misconfiguration
Attackers typically overwrite function pointers in the shared memory to execute arbitrary code with root authority.
There is no known public remote code execution exploit against a default, fully-patched Apache 2.4.18 as distributed by a major vendor after 2016.