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CVE-2025-29991

LOW CVSS: 2.2 Published: 2025-04-03 Modified: 2026-06-17

Description

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.

Affected Platforms

Unknown

Weakness Type

CWE-1390

References