What is CVE-2025-59378?

CVE-2025-59378 is a medium-severity vulnerability in Gnu Guix, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 5.7/10. Published 2025-09-15.

How severe is CVE-2025-59378?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Gnu Guix

CVE-2025-59378

In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended).

EPSS: 0.001 (3.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Gnu Guix — versions 0

Weakness classification (CWE)

CWE-669 — Incorrect Resource Transfer Between Spheres

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-59378?: CVE-2025-59378 is a medium-severity vulnerability in Gnu Guix, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 5.7/10. Published 2025-09-15.
How severe is CVE-2025-59378?: Medium severity. CVSS v3 base score is 5.7 out of 10.