cvedb.io
CVE-2021-3455
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2021-10-19T23:15:07.587 · Last modified 2026-06-17T04:05:08.280

Summary

Disconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

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.