Medium severity5.6NVD Advisory· Published Jun 27, 2025· Updated Apr 15, 2026

CVE-2025-52993

Description

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.

Affected products

Guix Mirror/Guixinferred
Range: <1.4.0-38.0e79d5b

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017nvd
guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/nvd
labs.snyk.ionvd
lix.systems/blog/2025-06-24-lix-cves/nvd
security-tracker.debian.org/tracker/CVE-2025-52993nvd
security.snyk.io/vuln/nvd

News mentions

No linked articles in our index yet.

cvss	0.364
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000