CVE-2026-38754: 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.
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jul
- Released
- 2026-07-19
- EPSS Score
- 0.31% (percentile: 22.8%)
Affected Products (1)
Open Source Software
- azl3 busybox 1.36.1-24 on Azure Linux 3.0
Revision History
- 2026-07-19: Information published.