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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.

PUBLISHED Reserved 2025-12-05 | Published 2025-12-05 | Updated 2026-02-04 | Assigner redhat




MEDIUM: 6.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Problem types

Out-of-bounds Read

Product status

Default status
unaffected

Any version before 2.41.3
affected

Default status
affected

0:2.40.2-15.el10_1 (rpm) before *
unaffected

Default status
affected

0:2.32.1-48.el8_10 (rpm) before *
unaffected

Default status
affected

0:2.32.1-48.el8_10 (rpm) before *
unaffected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2025-12-05:Reported to Red Hat.
2025-12-05:Made public.

References

access.redhat.com/errata/RHSA-2026:1696 (RHSA-2026:1696) vendor-advisory

access.redhat.com/errata/RHSA-2026:1852 (RHSA-2026:1852) vendor-advisory

access.redhat.com/security/cve/CVE-2025-14104 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2419369 (RHBZ#2419369) issue-tracking

cve.org (CVE-2025-14104)

nvd.nist.gov (CVE-2025-14104)

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