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Is xz 5.6.1-3+ still dangerous?
(lemmy.ml)
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If you worry about potential other backdoors in newer XZ versions, then you should also look into your kernel, systemd, dbus etc etc. All these things, can potentially contain backdoors that no one knows about yet.
As for currently known backdoors, the Arch versions are safe.
Of course backdoors can be anywhere. I was worried about this one especially because somewhere I read that the malicious code wasn't removed but just restricted with some hacky stuff in 5.6.1-3. It turned out to be false, at least for Arch, so, in case the new information is true, I can switch back I guess. Using a "safe" version of Arch is better than running all the apps as Flatpaks that can still have the infected version of xz libraries as dependencied anyways