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Fido2-Lib

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high advisory

fido2-lib Denial-of-Service Vulnerability via CBOR Parsing

The fido2-lib library is vulnerable to a denial-of-service (DoS) attack due to a heap buffer over-read in the cbor-extract dependency when parsing CBOR attestation data, allowing an attacker to crash the server by sending a crafted CBOR payload during WebAuthn registration.

fido2-lib cbor-extract denial-of-service webauthn
2r 1t