What’s Vulnerable › Vulnerabilities

CVE-2026-38754

• Severity: medium (CVSS 5.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-15 · updated 2026-07-22
• Weakness: CWE-125

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.

Affected products

• busybox: 1.38.0

References

• https://busybox.net
• https://lists.busybox.net/pipermail/busybox/2026-June/092353.html
• https://lists.busybox.net/pipermail/busybox/2026-June/092360.html

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