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400+ Arch Linux AUR Packages Compromised in a Supply Chain Attack Deploying Infostealers
(cybersecuritynews.com)
this post was submitted on 12 Jun 2026
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I think a lot of people are confusing what the AUR actually IS. It is NOT the official package repository used by Archlinux - it's more like a bunch of community install scripts for stuff that isn't officially supported yet - for popularity or other reasons.
So for all those people complaining and saying "debian does it better" it's very likely that you would not even HAVE a package to install and would have to come up with a build script on your own - the AUR allows you to skip this and instead just verify that the script itself isn't malicious, which is usually fairly obvious.
A lot of people here seem to be under the impression that all of this effort should be abstracted for them - but that's what you chose when you left windows - a system that you control intimately with a necessitation to actually do some upkeep yourself because a giant company isn't doing it for you.
In other words. RTFM and stop expecting other people fix all your problems for you, because that's exactly how windows got to how it currently is.
I haven't been on my PC that much this week, just Friday night. And our D&D group uses Discord so I needed to make sure it was up to date to ensure it would run. I typically just do a, "sudo pacman -Syu" and that seems to update what I need.
If that is the only thing I did with the PC during this window, is there any concern?
Nah, you're fine the Discord package(https://archlinux.org/packages/extra/x86_64/discord/) is in the official repo and it was not affected at all. The only people who should worry are those using AUR helpers to install packages without checking the PKGBUILD
Probably not. The article says that most of it seems to have come from orphaned stuff in the AUR that the threat actors took ownership of via the legit process, then modified to pull down malicious NPM packages when someone went to install them.
So if your Discord package is well maintained you probably have nothing to worry about.
I'm looking at the list of affected packages and many of them are in official debian repos. Isn't the issue then that the official Arch repositories don't have many packages and people have to use less secure sources? That still sounds like an Arch issue to me.
Arch actually has a large amount of official packages. Maybe some of the packages you're referring to are just slightly renamed or alternate versions?
It's possible that in some areas it has fewer packages of course (e.g. Debian might repackage a larger subset of PyPI as Python packages), but I need the AUR for very few things.
Not at all. The official Arch distribution has tens of thousands of packages and the user repository / AUR probably more than 100,000 .
Edit: I looked it up:
Just because there is an official package doesn't mean someone can't make an aur one with the same name, or with common misspelling.
Wouldn't this just make it harder to detect?