CVE-2024-0240: Silabs Gecko Software Development Kit

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A memory leak in the Silicon Labs' Bluetooth stack for EFR32 products may cause memory to be exhausted when sending notifications to multiple clients, this results in all Bluetooth operations, such as advertising and scanning, to stop.

Affected products

• Silabs Gecko Software Development Kit: before 4.3.0 (fixed in 4.3.0)

Published 2024-02-15. Last modified 2026-06-17.