Servers on some shyt that was discontinued 2 plus years ago.
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Nginx 1.20.1 is a legacy stable version of the open-source reverse proxy and web server, often used in older containerized environments like ubi9/nginx-120. It reached End of Life (EOL) in November 2023, and versions prior to 1.20.1 were affected by security issues like the off-by-one heap write vulnerability. It is highly recommended to update to a supported, newer stable version (e.g., 1.26 or higher) to avoid security risks.