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Microsoft.OpenApi.Readers (< 1.6.30)

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high threat

Uncontrolled Resource Consumption in Microsoft.OpenApi Libraries

The Microsoft.OpenApi.YamlReader and Microsoft.OpenApi.Readers libraries are susceptible to a billion laughs denial-of-service attack, where crafted YAML files with nested anchors cause memory exhaustion and process termination during conversion.

exploited Microsoft.OpenApi.YamlReader +1
1c