Hundreds of orphaned packages hosted by the Arch User Repository (AUR) have
been compromised by an attacker who has added a malicious npm
package (atomic-lockfile) that can exfiltrate sensitive
data. The project is currently working
on cleaning up the mess. There is a list of affected packages
and post (possibly NSFW domain) by
"sodiboo" with additional information. Arch Linux users (or users of
Arch-based distributions) that use AUR packages may wish to see if they
have installed any of the compromised updates.

https://lwn.net/Articles/1077718/
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