CVE-2026-38754 Affecting busybox package, versions <1:1.38.0-3


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-BUSYBOX-18022622
  • published20 Jul 2026
  • disclosed15 Jul 2026

Introduced: 15 Jul 2026

CVE-2026-38754  (opens in a new tab)

How to fix?

Upgrade Debian:unstable busybox to version 1:1.38.0-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1