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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-23967

sm-crypto Affected by Signature Malleability in SM2-DSA

Description

sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4. A signature malleability vulnerability exists in the SM2 signature verification logic of the sm-crypto library prior to version 0.3.14. An attacker can derive a new valid signature for a previously signed message from an existing signature. Version 0.3.14 patches the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

JuneAndGreen sm-crypto

  • < 0.3.14affected

References