red-hatCVE-2026-88839

BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.

Medium6.7CVE-2026-88839 · Published Sep 23, 2026 · updated Sep 25, 2026

Source advisory

Affected versions

Package	Affected	Fixed in

Details and references

BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity from: no source yet
Weakness: CWE-787

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