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CVE-2021-3321

7.5 HIGH

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal

Published: 2021-10-12 · Last updated: 2026-06-17

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
CWE
CWE-191, CWE-680

Affected products

VendorProduct
zephyrprojectzephyr

Description

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

Source: NVD

References

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