BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.
https://bugzilla.redhat.com/show_bug.cgi?id=2531353
https://access.redhat.com/security/cve/CVE-2026-88839
https://access.redhat.com/errata/RHSA-2026:72111
Source: Mitre, NVD
Published: 2026-09-23
Updated: 2026-09-25
Base Score: 6.5
Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C
Severity: Medium
Base Score: 6.7
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00117