{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/90710?format=json","vulnerability_id":"VCID-acg5-4qjn-sudc","summary":"A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false 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