NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE

A critical heap buffer overflow vulnerability in NGINX (CVE-2026-42945, CVSS 9.2) is being actively exploited in the wild, with potential for remote code execution and worker process crashes.

• •The vulnerability affects NGINX versions 0.6.27 through 1.30.0 and was introduced in 2008
• •Successful exploitation requires specific NGINX configuration; RCE is only possible when ASLR (Address Space Layout Randomization) is disabled
• •Threat actors are weaponizing the flaw with exploitation attempts detected against honeypot networks
• •Users should apply latest patches from F5 to mitigate active threats

This summary was automatically generated by AI based on the original article and may not be fully accurate.