CVE-2026-4603 in jsrsasign
Сводка (Английский)
Versions of the package jsrsasign before 11.1.1 are vulnerable to Division by zero due to the RSASetPublic/KEYUTIL parsing path in ext/rsa.js and the BigInteger.modPowInt reduction logic in ext/jsbn.js. An attacker can force RSA public-key operations (e.g., verify and encryption) to collapse to deterministic zero outputs and hide “invalid key” errors by supplying a JWK whose modulus decodes to zero.
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Ответственный
snyk
Резервировать
22.03.2026
Раскрытие
23.03.2026
Статус
Подтверждённый
Записи
VulDB provides additional information and datapoints for this CVE:
| ИД | Уязвимость | CWE | Экс | Кон | CVE |
|---|---|---|---|---|---|
| 352489 | jsrsasign KEYUTIL rsa.js отказ в обслуживании | 369 | Доказательство концепции | Официальное исправление | CVE-2026-4603 |