Unlimited Nesting Levels in opcua Package Leads to Denial of Service (DoS) Vulnerability

Unlimited Nesting Levels in opcua Package Leads to Denial of Service (DoS) Vulnerability

CVE-2022-25903 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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