CVE-2025-29991

https://notcve.org/view.php?id=CVE-2025-29991

03 Apr 2025 — Yubico YubiKey 5.4.1 through 5.7.3 before 5.7.4 has an incorrect FIDO CTAP PIN/UV Auth Protocol Two implementation. It uses the signature length from CTAP PIN/UV Auth Protocol One, even when CTAP PIN/UV Auth Protocol Two was chosen, resulting in a partial signature verification. • https://www.yubico.com/support/security-advisories/ysa-2025-02 • CWE-1390: Weak Authentication •