YSA-2025-02 | Yubico

A low severity issue has been identified in YubiKeys versions 5.4.1 through 5.7.3 in the FIDO CTAP PIN/UV Auth Protocol Two implementation. These YubiKey versions use the 16 byte signature length from CTAP PIN/UV Auth Protocol One during the verification step, even when the 32 byte CTAP PIN/UV Au...