Pine 4.x allows a remote attacker to execute arbitrary commands via an index.html file which executes lynx and obtains a uudecoded file from a malicious web server, which is then executed by Pine.
From 神龙GPT (AIGC)
Pine 4.x 通过一个 index.html 文件允许远程攻击者执行任意命令，该文件执行 lynx，并从恶意 Web 服务器获取一个uu解码的文件，然后由 Pine 执行。