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Vulnerability lookup

CVE-2026-38755

low CVSS 2.9 EPSS 0.2%

A heap overflow in the evalcommand() 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-2026-38755 applies to, and the release that fixes it where the sources name one.

At a glance

Severity
Low
CVSS base score
2.9 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 10% of scored vulnerabilities
Weakness
CWE-122
Published
2026-07-15

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