CVE-2026-38755CWE-674

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…

Low · published July 15, 2026

CVSS v3.1
2.9
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.9 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00207 · 10.3th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2026-07-15T00:00Z
EPSS history
Timeline
  • 15 JUL 00:00Z
    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…
    cvelistv5