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.

CVSS v3 5.1 MEDIUM

5.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-June/092353.html	Mailing List Patch Vendor Advisory
https://lists.busybox.net/pipermail/busybox/2026-June/092360.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:busybox:busybox:1.38.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-15 22:16

Updated : 2026-07-22 15:16

NVD link : CVE-2026-38754

Mitre link : CVE-2026-38754

CVE.ORG link : CVE-2026-38754

JSON object : View

Products Affected

busybox

busybox

CWE

CWE-125

Out-of-bounds Read

CWE-122

Heap-based Buffer Overflow

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