CVE-2019-5039: Openweave Openweave-Core

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.

Affected products

• Openweave Openweave-Core: version 4.0.2 only

Published 2019-08-20. Last modified 2026-06-17.