Threats Tagged 'cve-2026-23967'
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Threats Tagged 'cve-2026-23967'
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0 CVE-2026-23967 is a high-severity vulnerability in the sm-crypto JavaScript library implementing Chinese cryptographic algorithms SM2, SM3, and SM4. The flaw lies in the SM2 signature verification logic prior to version 0.3.14, allowing an attacker to create a new valid signature from an existing one due to signature malleability. This vulnerability does not impact confidentiality or availability but compromises signature integrity, enabling potential forgery of signed messages without requiring authentication or user interaction. No known exploits are currently reported in the wild. The issue is patched in version 0.3.14. European organizations using sm-crypto in applications that rely on SM2 signatures should urgently update to the fixed version to prevent signature forgery risks. Join the discussion | CVE Database V5 | 01/22/2026, 01:59:30 UTC Added: 01/22/2026, 02:50:57 UTC |
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