PT-2026-60313 · Busybox · Busybox

CVE-2026-38754 · Published 2026-07-15 · Updated 2026-07-16

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Busybox version 1.38.0

Description A heap overflow occurs in the ifsbreakup() function (located in shell/ash.c). This issue allows attackers to cause a Denial of Service (DoS) by providing a specially crafted input. A heap overflow is a memory corruption error that happens when a program writes more data to a heap-allocated memory block than it can hold.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-38754

Affected Products

Busybox

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-38754 · Security Note
• https://lists.busybox.net/pipermail/busybox/2026-June/092353.html · Patch
• https://twitter.com/VulmonFeeds/status/2077603187612107186 · Twitter Post
• https://busybox.com · Note