CVE-2025-14104
Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | util-linux |
| Product | util-linux |
| Published | Dec 5, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
util-linux / util-linux
0 < 2.41.3
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Ceph Storage 7
All versions affected Red Hat / Red Hat Ceph Storage 8
All versions affected Red Hat / Red Hat Ceph Storage 9
All versions affected Red Hat / Red Hat Insights proxy 1.5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Hardened Images
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:1696 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:1852 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:1913 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2485 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2563 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2737 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2800 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3406 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4943 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-14104 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2419369