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Vulnerability Database · npm · jsrsasign · Version

jsrsasign 8.0.20

8.0.20 is affected by 10 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 11.1.5.

Critical 2 High 6 Medium 1 Low 1 Unrated 0

All jsrsasign versions & vulnerabilities → Source repository Search the database for this package →
Released 24 Jun 2020 Status deprecated release Licence MIT Also known from other sources 10 Newer releases 156 Database updated 23/Oct/2026

Release and licence data published by the npm registry. Licence information is not legal advice.

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01 Vulnerabilities affecting this version

jsrsasign 8.0.20 vulnerabilities

10 vulnerabilities cover jsrsasign 8.0.20. Open the full list in the database.

Vulnerability Severity Fixed version Disclosed
CVE-2026-4599: jsrsasign Critical Vulnerability in DSA Nonce Generation 9.1 critical 11.1.1 23 Mar 2026
CVE-2021-30246: RSA signature validation vulnerability in jsrsasign 9.1 critical 10.2.0 16 Apr 2021
CVE-2026-4601: jsrsasign Vulnerability Allows Private Key Extraction via DSA Signing 8.7 high 11.1.1 23 Mar 2026
CVE-2022-25898: JWS and JWT signature validation vulnerability in jsrsasign 8.6 high 10.5.25 25 Jun 2022
CVE-2026-4598: jsrsasign Vulnerable to DoS via Infinite Loop with Zero or Negative Inputs 7.5 high 11.1.1 23 Mar 2026
CVE-2026-4602: jsrsasign Vulnerability Leading to Signature Verification Bypass 7.5 high 11.1.1 23 Mar 2026
Marvin Attack of RSA and RSAOAEP decryption in jsrsasign 7.5 high 11.0.0 19 Jan 2024
CVE-2026-4600: jsrsasign DSA Signature Forgery Vulnerability 7.4 high 11.1.1 23 Mar 2026
CVE-2026-4603: jsrsasign Division by Zero Vulnerability Leading to Deterministic Zero Outputs 5.9 low 11.1.1 23 Mar 2026
Invalid RSA PKCS#1 v1.5 Signatures Vulnerability in jsrsasign N/A medium 10.2.0 09 Feb 2022

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Questions

About jsrsasign 8.0.20

Is jsrsasign 8.0.20 vulnerable?

Yes. 10 vulnerabilities in the Vulert database cover jsrsasign 8.0.20: 2 critical, 6 high, 1 medium and 1 low. The upgrade Vulert recommends is 11.1.5, and each entry above names the fixed version to move to.

Which version of jsrsasign should I use instead of 8.0.20?

11.1.5 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.

Is 8.0.20 the latest release of jsrsasign?

No. 8.0.20 was published 24 Jun 2020, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.

How do I monitor jsrsasign for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the jsrsasign version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.