CVE-2025-14104

Description

A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.

CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

https://access.redhat.com/errata/RHSA-2026:1696 https://access.redhat.com/errata/RHSA-2026:1852 https://access.redhat.com/errata/RHSA-2026:1913 https://access.redhat.com/errata/RHSA-2026:2485 https://access.redhat.com/errata/RHSA-2026:2563 https://access.redhat.com/errata/RHSA-2026:2737 https://access.redhat.com/errata/RHSA-2026:2800 https://access.redhat.com/errata/RHSA-2026:3406 https://access.redhat.com/errata/RHSA-2026:4943 https://access.redhat.com/errata/RHSA-2026:7180

Frequently Asked Questions

What is CVE-2025-14104? +

A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-14104? +

CVE-2025-14104 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-14104? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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