CVE-2026-5466

N/A

Descricao

wolfSSL's ECCSI signature verifier `wc_VerifyEccsiHash` decodes the `r` and `s` scalars from the signature blob via `mp_read_unsigned_bin` with no check that they lie in `[1, q-1]`. A crafted forged signature could verify against any message for any identity, using only publicly-known constants.

Detalhes CVE

Pontuacao CVSS v3.1N/A

Publicado4/10/2026

Ultima modificacao4/13/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-347

Referencias

https://github.com/wolfssl/wolfssl/pull/10102(facts@wolfssl.com)

Correlacoes IOC

Sem correlacoes registradas

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