Description
An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Scores
CVSS v3
9.0
EPSS
0.0582
EPSS Percentile
90.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-193
Status
published
Products (1)
zephyrproject/zephyr
< 2.2.0
Published
Jun 05, 2020
Tracked Since
Feb 18, 2026