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.

INFO

Published Date :

2026-01-22T01:59:30.555Z

Last Modified :

2026-01-22T16:03:58.987Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23967 vulnerability.

Vendors Products
Juneandgreen
  • Sm-crypto
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23967.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact