The package opcua from 0.0.0 until 0.11.0 is 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.
{
"severity": "HIGH",
"github_reviewed_at": "2022-09-01T22:23:05Z",
"cwe_ids": [
"CWE-787"
],
"nvd_published_at": "2022-08-24T05:15:00Z",
"github_reviewed": true
}