CVEvulnerability

CVE-2021-3321

8.8 HIGH Published 2021-10-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:A/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-191, CWE-680

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

Affected configurations

• zephyrproject zephyr (>= 2.4.0 < 2.5.0)

Related

Weakness · CWE (2)

  • CWE-191 Integer Underflow (Wrap or Wraparound) weakness
  • CWE-680 Integer Overflow to Buffer Overflow weakness

References