Aqua Nautilus researchers have identified a security issue that arises from the interaction between Ubuntu’s command-not-found package and the snap package repository. While command-not-found serves as a convenient tool for suggesting installations for uninstalled commands, it can be inadvertently manipulated by attackers through the snap repository, leading to deceptive recommendations of malicious packages.
And why does Apple’s process say something about Flathubs process?
Example of strict manual reviews including source code not catching malware masquerading as existing reputable software, it’s the exact same scenario minus Apple being a commercial entity. Goes to show that even when commercial interests are at stake to keep these malicious apps out, they can still get in. It’s just demonstrating manual reviews aren’t a 100% bulletproof solution, the commenter was saying it’s not possible for malware to get past manual review