CVE-2021-43569
The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
Date published : 2021-11-09
https://github.com/starkbank/ecdsa-dotnet/releases/tag/v1.3.2