MEDIUM 6.7 Microsoft
CVE-2026-88839
Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale tokenize() endpoint
Microsoft Security Update 2026-Sep: Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale tokenize() endpoint
Affected Products
- azl3 busybox 1.36.1-27 on Azure Linux 3.0
- azl3 busybox 1.36.1-28 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88839
- https://nvd.nist.gov/vuln/detail/CVE-2026-88839
This medium severity vulnerability with a CVSS score of 6.7 was published on 2026-09-08 via Microsoft. Affected: azl3 busybox 1.36.1-27 on Azure Linux 3.0, azl3 busybox 1.36.1-28 on Azure Linux 3.0.
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