CVE-2026-38754: Busybox

Medium severity, CVSS 5.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

Affected products

• Busybox Busybox: version 1.38.0 only

Published 2026-07-15. Last modified 2026-07-22.