VULNERABILITY INTELLIGENCE

CVE-2026-38754

CVSS score7.5 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-07-15
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-122: Heap-based Buffer Overflow
  • CWE-125: Out-of-bounds Read

Primary references