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Is xz 5.6.1-3+ still dangerous?
(lemmy.ml)
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this post was submitted on 08 Apr 2024
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Well, I have a polar opposite opinion about that lol. I guess I should stick with the old version
What about all the unknown back doors in the old versions 👻
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
Well, I guess u have your answer, tho
The important thing here is to feel good with your decision
So you need to downgrade to even earlier version. Best of all, use a fork created by Joey Hess.
Does that require compiling Arch from source to avoid compatibility issues?
I don't know for sure, it depends on changes in the liblzma API. If there were any changes (backward compatible or not, usually nobody cares about forward compatibility), yes, recompiling is required.
Then it's not for me. I can't even write a Python script lol
You shouldn't use a computer at all then, your CPU contains Intel and Amd undisclosed backdoor ;)
I know about that
You don't, I'm not talking about Intel ME.
That's the only thing, us the public know about.
This is the reason I keep an OpenBSD system around. Maybe it's a false sense of security, but I feel that they are pickier about the base system at least.
I have a question. Does BSD support any universal package formats?
Afaik, no. Worth mentioning is that the fundamental design of the major BSDs is to clearly separate the core OS from third party applications. But as far as just being able to use Flathub or similar, I don't think so. If any BSD has experimented in that direction my bet would be FreeBSD.
I can't use it then. I need some apps that are definitely not available natively on BSD. Thank you for the information though
No worries :) Just out of curiosity, which software?
Unfortunately telling about the software will greatly simplify my identification so I can't do it