1. Home
  2. CVE Database
  3. CVE-2026-38754
MEDIUM · 5.1

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.

Vulnerability 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.

CVSS Score

5.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
BusyboxBusybox1.38.0

Related Weaknesses (CWE)

CWE-122CWE-125

References

FAQ

What is CVE-2026-38754?

CVE-2026-38754 is a vulnerability with a CVSS score of 5.1 (MEDIUM). 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.

How severe is CVE-2026-38754?

CVE-2026-38754 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-38754?

Check the references section above for vendor advisories and patch information. Affected products include: Busybox Busybox.