CVE-2026-23967

HIGH

7.5

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/22/2026

Zuletzt geandert2/25/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

juneandgreen:sm-crypto

Schwachen (CWE)

CWE-347

Referenzen

https://github.com/JuneAndGreen/sm-crypto/security/advisories/GHSA-qv7w-v773-3xqm(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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