Apache 2.4.18, a version released in late 2015, contains several critical vulnerabilities that can lead to , authentication bypass , and denial of service (DoS) .
Apache uses a shared memory area called the "scoreboard" to track worker processes. A flaw in how the parent process (running as root) handles this scoreboard allows a compromised worker process (running with low privileges) to overwrite memory. apache 2.4.18 exploit
Systems using the then-experimental mod_http2 module in 2.4.18 are susceptible to thread starvation. Apache 2
A remote attacker can bypass intended X.509 certificate authentication to access protected resources without the required credentials. Denial of Service (CVE-2016-1546) a version released in late 2015
If your Apache 2.4.18 server has mod_http2 and mod_ssl enabled, it may be vulnerable to a certificate validation failure.