CVE-2021-3323

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr

State: Published
Severity: 8.3 High
Published: Oct 12, 2021
Updated: Sep 16, 2024
Reserved: Jan 27, 2021

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

Scores

CVSS	Score	Vector	Source
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L	zephyr

Weaknesses

CWE-191 Integer Underflow (Wrap or Wraparound) (CWE-191)

Affected Products

Product	Versions
zephyrzephyrproject-rtos	>=2.4.0 to before unspecifiedAffected

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc

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