CVE-2023-3488: Silabs Gecko Software Development Kit

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Uninitialized buffer in GBL parser in Silicon Labs GSDK v4.3.0 and earlier allows attacker to leak data from Secure stack via malformed GBL file.

Affected products

• Silabs Gecko Software Development Kit: up to and including 4.3.0

Published 2023-07-28. Last modified 2026-06-17.