CVE-2026-38753: Busybox

Medium severity, CVSS 4.9. EPSS: 0.1% chance of exploitation in the next 30 days.

A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.

Affected products

• Busybox Busybox: version 1.38.0 only

Published 2026-07-15. Last modified 2026-07-20.