CVE Vulnerabilities

CVE-2026-38755

Uncontrolled Recursion

Published: Jul 15, 2026 | Modified: Jul 20, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
5.5 MODERATE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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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.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

NameVendorStart VersionEnd Version
BusyboxBusybox1.38.0 (including)1.38.0 (including)
Red Hat Hardened ImagesRedHatbusybox-main-1.37.0-8.2.hum1*

Potential Mitigations

References