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CVE-2021-3323

8.3 HIGH

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr

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

Severity and scoring

CVSS
8.3 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CWE
CWE-191

Affected products

VendorProduct
zephyrprojectzephyr

Description

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

Source: NVD

References

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