Incorrect Resource Transfer Between Spheres Affecting guix package, versions [,1.5.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-GUIX-15067747
- published23 Jan 2026
- disclosed15 Sept 2025
- creditUnknown
Introduced: 15 Sep 2025
CVE-2025-59378 (opens in a new tab)How to fix?
Upgrade guix to version 1.5.0 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Resource Transfer Between Spheres in the guix scripts perform-download command due to the improper evaluation of content-addressed-mirrors file. An attacker can obtain elevated privileges by creating a setuid program that allows a regular user to execute code with the privileges of the build user, even after the build process has ended.