cvedb.io
CVE-2021-3321
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2021-10-12T22:15:07.967 · Last modified 2026-06-17T04:04:56.270

Summary

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99

Affected products

zephyrproject — zephyr

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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.