CVE-2021-3321CWE-680

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal

High · published October 12, 2021

CVSS v3.1
7.5
EPSS
1%
Percentile
54.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00761 · 54.8th percentile
Weakness
CWE-680 · Integer Overflow to Buffer Overflow
Published
2021-10-12T21:50Z
EPSS history
Timeline
  • 12 OCT 21:50Z
    Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal
    cvelistv5