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...

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...

CVE-2020-14199

The CVE-2020-14199 issue is a BIP-143 signing mishandling in the Bitcoin protocol that can mislead users into producing two signatures during Segwit transactions. Affected products are Trezor One firmware before 1.9.1 and Trezor Model T firmware before 2.3.1; these devices have firmware updates t...