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