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CVE-2026-38754

medium CVSS 5.1 EPSS 0.2%

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.

Versions it affects

Software versions checked with the free lookup that CVE-2026-38754 applies to, and the release that fixes it where the sources name one.

At a glance

Severity: Medium
CVSS base score: 5.1 out of 10
Known exploited: Not in CISA's catalogue of exploited vulnerabilities
EPSS: 0.2% probability of exploitation in the next 30 days, higher than 13% of scored vulnerabilities
Weakness: CWE-122
Published: 2026-07-15

NVD CVE.org

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