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GHSA-95V9-HV42-PWRJ gnark is vulnerable to signature malleability in EdDSA and ECDSA due to missing scalar checks

🗓️ 22 Aug 2025 20:58:21Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

gnark EdDSA and ECDSA lack 0 ≤ S < order verify, enabling signature malleability and replay risk.

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03 Feb 2026 03:10Current
5.5Medium risk
Vulners AI Score5.5
CVSS 48.6
CVSS 3.19.1
EPSS0.00198
5