Low severity2.2NVD Advisory· Published Apr 3, 2025· Updated Apr 15, 2026
CVE-2025-29991
CVE-2025-29991
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.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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