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Vulnerabilities for
'Python-ecdsa'
2020-01-02
CVE-2019-14859
CWE-347
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 transactions.
2019-11-26
CVE-2019-14853
CWE-755
An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.
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Vulnerabilities for 'Python-ecdsa' 