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CVE-2026-23967

sm-crypto Affected by Signature Malleability in SM2-DSA PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
JuneAndGreen / sm-cryptoaffected < 0.3.14

CWE

CWE-347

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.