CVE-2020-14199

BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the...

PT-2020-13926

Name of the Vulnerable Software and Affected Versions: Trezor One versions prior to 1.9.1 Trezor Model T versions prior to 2.3.1 Description: The issue in the Bitcoin protocol specification, specifically BIP-143, mishandles the signing of a Segwit transaction. This allows attackers to trick a use...