CVE-2021-3966 — Heap-based Buffer Overflow in Zephyr

CWE-122 — Heap-based Buffer OverflowCWE-120 — Classic Buffer Overflow2 documents2 sources
Severity
8.8HIGHNVD
CNA9.6
EPSS
0.1%
top 69.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject ZephyrZephyrproject-rtos Zephyr
Timeline
PublishedJan 11

Description

usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyrunspecified — v3.0

🔴Vulnerability Details

1
CVEList
Usb bluetooth device ACL read cb buffer overflow↗2023-01-11
▶
CVE-2021-3966 — Heap-based Buffer Overflow in Zephyr | cvebase