An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).
https://security.samsungmobile.com/securityUpdate.smsb
Source: Mitre, NVD
Published: 2021-01-05
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.0004