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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Guix Mirror/Guixinferred2 versions
<1.4.0-38.0e79d5b+ 1 more
- (no CPE)range: <1.4.0-38.0e79d5b
- (no CPE)range: <1.4.0-38.0e79d5b
Nixos/Nixllm-fuzzy
Range: <2.24.15, <2.26.4, <2.28.4, <2.29.1
Lix Project/Lixllm-fuzzy
Range: <2.91.2, <2.92.2, <2.93.1
osv-coords
pkg:rpm/opensuse/nix&distro=openSUSE%20Tumbleweed
Range: < 2.29.1-1.1

Patches

Vulnerability mechanics

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

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