VDB
CVE-2025-52993
CVE-2025-52993
PUBLISHED
CVSS 5.599999904632568 MEDIUM
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.
EPSS 0.12% · 2.0th percentile
Risk Scores
CVSS 3.1
5.599999904632568
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS Score
0.12%
2.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| NixOS | Nix | 2.27.0, 0, 2.25.0 |
| nixos | nix | 0, 2.25.0, 2.27.0 |
Timeline
- Jun 27, 2025 CVE Published
- Jun 27, 2025 Coalition ESS Score
- Jun 28, 2025 EPSS Score
- Jun 30, 2025 Coalition ESS Score
- Jul 8, 2025 EPSS Score
- Jul 18, 2025 EPSS Score
- Jul 28, 2025 EPSS Score
- Aug 7, 2025 EPSS Score
- Aug 17, 2025 EPSS Score
- Aug 22, 2025 Coalition ESS Score
- Aug 26, 2025 Coalition ESS Score
- Aug 27, 2025 EPSS Score
References
- https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017 url
- https://lix.systems/blog/2025-06-24-lix-cves/ url
- https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/ url
- https://labs.snyk.io url
- https://security.snyk.io/vuln/?search=CVE-2025-52993 url
- https://security-tracker.debian.org/tracker/CVE-2025-52993 url
- https://nvd.nist.gov/vuln/detail/CVE-2025-52993 advisory
- https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025 url
- https://lix.systems/blog/2025-06-24-lix-cves url