cvedb.io
CVE-2021-3323
HIGH · CVSS 8.3
EPSS exploitation probability: 0%
Published 2021-10-12T22:15:08.093 · Last modified 2026-06-17T04:04:56.487

Summary

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions >= >=2.4.0 contain Integer Underflow (Wrap or Wraparound) (CWE-191). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc

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.