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Vendor Workaround
Ensure /etc/group and /etc/passwd are writable only by root and protected by mandatory access controls. Monitor these files for unauthorized modifications. Upstream should fix tokenize() to recompute tokenize_end after trimming.
Tracking
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Wed, 23 Sep 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers. | |
| Title | Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale tokenize() endpoint | |
| First Time appeared |
Redhat
Redhat hummingbird |
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:/a:redhat:hummingbird:1 | |
| Vendors & Products |
Redhat
Redhat hummingbird |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-23T19:44:12.718Z
Reserved: 2026-09-10T09:42:04.559Z
Link: CVE-2026-88839
No data.
Status : Awaiting Analysis
Published: 2026-09-23T18:17:10.640
Modified: 2026-09-23T19:40:10.000
Link: CVE-2026-88839
No data.
OpenCVE Enrichment
No data.
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CWE-787
Out-of-bounds Write