CVE-2025-52993
MEDIUMNix/Lix/Guix <2.24.15/2.26.4/2.28.4/2.29.1 - Privilege Escalation
Title source: llmDescription
A race condition in the Nix, Lix, and Guix package managers enables changing the ownership of arbitrary files to the UID and GID of the build user (e.g., nixbld* or guixbuild*). This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.
References (6)
Core 6
Core References
Various Sources
https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
Various Sources
https://lix.systems/blog/2025-06-24-lix-cves/
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2025-52993
Third Party Advisory
https://labs.snyk.io
Third Party Advisory
https://security.snyk.io/vuln/?search=CVE-2025-52993
Scores
CVSS v3
5.6
EPSS
0.0011
EPSS Percentile
1.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-362
Status
published
Products (4)
NixOS/Nix
< 2.24.15
NixOS/Nix
2.25.0 - 2.26.4
NixOS/Nix
2.27.0 - 2.28.4
NixOS/Nix
2.29.0 - 2.29.1
Published
Jun 27, 2025
Tracked Since
Feb 18, 2026