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Vulnerabilities

Vulnerability · 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

Published Sep 15, 2025 · catalog updated Sep 15, 2025 · GNU Guix

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59378. EPSS is 0.14%. Act only if a listed version of GNU Guix is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Version ranges on file
Affected products
vendor GNU Guix 0 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45

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).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor GNU Guix 0 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe450 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45

How to fix CVE-2025-59378

  • Upgrade

    CVE-2025-59378 lists a fix boundary at 1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 0 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59378. EPSS is 0.14%. Act only if a listed version of GNU Guix is installed.

Which versions are affected?

Compare what you have installed with GNU Guix 0 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45 0 <1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2025 · EUVD

    Detected

    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).

  2. Sep 15, 2025 · EUVD

    Updated

    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).

Sources

  • CVE.orgVulnerability recordCVE-2025-59378

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59378

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2025-29155

    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).

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026