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CVE-2026-4599

CRITICAL CVSS: 9.1 Published: 2026-03-23 Modified: 2026-08-17

Description

Versions of the package jsrsasign from 7.0.0 and before 11.1.1 are vulnerable to Incomplete Comparison with Missing Factors via the getRandomBigIntegerZeroToMax and getRandomBigIntegerMinToMax functions in src/crypto-1.1.js; an attacker can recover the private key by exploiting the incorrect compareTo checks that accept out-of-range candidates and thus bias DSA nonces during signature generation.

Affected Platforms

Kjur Jsrsasign

Weakness Type

CWE-1023, CWE-338

References