P03.7z →

7z code is a part of 7-Zip program distributed under the GNU LGPL. You can download 7-Zip sources and binaries from Download Page. Does 7z compress better than zip? - Microsoft Community Hub

Most notably, a recent deep dive into by researchers and tech bloggers addresses a reported (and later debunked) remote code execution vulnerability in the 7z format. Key Insights on 7-Zip Security & Performance P03.7z

: If you are working with potentially malicious 7z files, it is highly recommended to update to 7-Zip version 24.07 or later , which addresses these edge-case crashes. 7z code is a part of 7-Zip program