this post was submitted on 01 Apr 2026
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Docker is known insecure. It doesn't verify any layers it pulls cryptography. The devs are aware. The tickets remain open.
If that is indeed true it would only mean that the docker container is vulnerable to a supply chain attack. You are not any more vulnerable to a vulnerability in the codebase.
If you’re using the ghcr image, to post malicious code there, the attack would have already had to compromise their github infra … which would likely result in the attacker being able to push malicious code to git or publish malicious releases. Their linux distro packages are self published via a ppa/install script, which I would assume just pull from their github releases, so a bad github release would immediately be pulled as an update by users just as fast as a container.
No, it's also vulnerable to a targeted mitm attack. Github can be unaffected and you can get a malicious version on your server.
I don't know if I remember correctly but I could not install Jellyfin on the latest Ubuntu server version. I had to use docker to get Jellyfin running.
Jellyfin has a Debian repo. Worked fine on Debian 12 and 13.