# Critical correctness bug in Lix

DevFeed: [Critical correctness bug in Lix](<https://devfeed.tech/articles/critical-correctness-bug-in-lix-31375.md>)

Original publisher: [Read original article](<https://lix.systems/blog/2025-06-27-lix-critical-bug/>)

Published: 2025-06-27T00:00:00Z

Content type: news

Language: en

Sources: [News on Lix](<https://devfeed.tech/sources/news-on-lix.md>)

Topics: [bug](<https://devfeed.tech/topics/bug.md>), [incident](<https://devfeed.tech/topics/incident.md>), [Nix](<https://devfeed.tech/topics/nix.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Deployment Tools](<https://devfeed.tech/topics/deployment-tools.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [critical](<https://devfeed.tech/tags/critical.md>), [incident](<https://devfeed.tech/tags/incident.md>), [linux](<https://devfeed.tech/tags/linux.md>)

## AI overview

A critical regression in Lix versions 2.91.2, 2.92.2, and 2.93.1 can cause missing or silently invalidated store paths during derivation builds. The incident has been mitigated; versions 2.91.3, 2.92.3, and 2.93.2 are identified as unaffected, with recovery guidance provided.

## Source excerpt

This incident has been mitigated. This post will be updated with pointers on how to close it. The Lix team remains available over all support channels to help recovering any system affected by it.