CVE-2022-25903: Opcua Project Opcua

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.

Affected products

Published 2022-08-24. Last modified 2026-06-17.