CVE-2025-52992
CVE-2025-52992 is a low-severity vulnerability with a CVSS 3.x base score of 3.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.
Key facts
- Severity: Low (CVSS 3.x base score 3.2)
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-19380
- Weakness: CWE-732
- Published:
- Last modified:
Description
The Nix, Lix, and Guix package managers fail to properly set permissions when a derivation build fails. This may allow arbitrary processes to modify the content of a store outside of the build sandbox. 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.
Frequently asked questions
- What is CVE-2025-52992?
- The Nix, Lix, and Guix package managers fail to properly set permissions when a derivation build fails. This may allow arbitrary processes to modify the content of a store outside of the build sandbox. 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.
- How severe is CVE-2025-52992?
- CVE-2025-52992 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2025-52992 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-52992?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-52992 have an EU (EUVD) identifier?
- Yes. CVE-2025-52992 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19380.
- When was CVE-2025-52992 published?
- CVE-2025-52992 was published on 2025-06-27 and last updated on 2026-06-17.
References
- https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
- https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
- https://labs.snyk.io
- https://lix.systems/blog/2025-06-24-lix-cves/
- https://security-tracker.debian.org/tracker/CVE-2025-52992
- https://security.snyk.io/vuln/?search=CVE-2025-52992
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