CVE-2026-38754
Published: July 18, 2026Last modified: August 11, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | busybox | Fixed (1.35.0-r41) |
| 25 LTS | busybox | Fixed (1.37.0-r28) | |
| Stream | busybox | Fixed (1.38.0-r1) | |
| Hardened Containers | 23 LTS | busybox | Fixed (1.35.0-r41) |
| 25 LTS | busybox | Fixed (1.37.0-r28) | |
| Stream | busybox | Fixed (1.38.0-r1) |