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PT-2026-52605

🗓️ 25 Jun 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity
🔗 dbugs.ptsecurity.com👁 3 Views

HMAC-BLAKE2 bug in wolfSSL 5.9.0 discards message when key exceeds block size, making MAC independent of input.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8720
25 Jun 202621:18
attackerkb
Circl
CVE-2026-8720
25 Jun 202621:52
circl
CVE
CVE-2026-8720
25 Jun 202621:18
cve
Cvelist
CVE-2026-8720 HMAC-BLAKE2 final discards message when key length exceeds block size
25 Jun 202621:18
cvelist
EUVD
EUVD-2026-39579
26 Jun 202600:32
euvd
NVD
CVE-2026-8720
25 Jun 202622:17
nvd

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25 Jun 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 45.9
3