Threats Tagged 'ghsa-34qm-63x6-fcm3'
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Threats Tagged 'ghsa-34qm-63x6-fcm3'
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GHSA-34qm-63x6-fcm3CVE-2026-8720 0 A vulnerability in wolfSSL's HMAC-BLAKE2 APIs (added in version 5.9.0) causes the MAC to be independent of the input message when the key length exceeds the block size. Specifically, the functions wc_Blake2bHmacFinal and wc_Blake2sHmacFinal discard the message data in this case, resulting in a MAC that depends only on the key. This flaw undermines the integrity guarantees of the MAC. Join the discussion | GCVE Database | 06/26/2026, 00:32:06 UTC Added: 06/26/2026, 22:06:09 UTC |
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