low2.2
CVE-2025-29991
Yubico YubiKey 5.4.1 through 5.7.3 before 5.7.4 has an incorrect FIDO CTAP PIN/UV Auth Protocol Two implementation.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Yubico | Yubico YubiKey 5.4.1 | through 5.7.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.