CVE-2023-6387: Silabs Gecko Software Development Kit

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution

Affected products

• Silabs Gecko Software Development Kit: before 4.4.0 (fixed in 4.4.0)

Published 2024-02-02. Last modified 2026-06-17.