cvedb.io
CVE-2021-42377
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-11-15T21:15:07.700 · Last modified 2026-06-17T04:09:43.390

Summary

An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.

Affected products

busybox — busybox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.