CVE-2026-88839

Medium

Description

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

SeverityMedium
CVSS6.7
Exploit probability—
ProductMicrosoft Azl3 Busybox
PublishedSep 23, 2026
First seenSep 23, 2026

How to fix

Affected products

ProductAffected versionsFixed in
microsoft azl3_busybox_1.36.1-27No range specified—
microsoft azl3_busybox_1.36.1-28No range specified—

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