Vulnerability DatabaseCVE-2026-38755
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CVE-2026-38755
Published:July 15, 2026
Updated:August 06, 2026
A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
Related Resources (3)
https://busybox.com
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-June/092354.html
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CVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122
Uncontrolled Recursion
CWE-674
EPSS
Base Score:
0.21