CVE-2026-4603

CVE-2026-4603 affects jsrsasign versions before 11.1.1. The vulnerability stems from the RSASetPublic/KEYUTIL parsing path in ext/rsa.js and the BigInteger.modPowInt reduction logic in ext/jsbn.js, which can cause division by zero and collapse RSA public-key operations (e.g., verify/encrypt) to d...