CVE-2023-45318: Silabs Gecko Software Development Kit

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

Affected products

• Silabs Gecko Software Development Kit: version 4.3.2.0 only
• Weston-Embedded Uc-HTTP: affected versions not specified

Published 2024-02-20. Last modified 2026-06-17.