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CVE-2026-4603

🗓️ 23 Mar 2026 05:00:14Reported by snykType 
cve
 cve
🔗 web.nvd.nist.gov👁 51 Views🌐 WEB

CVE-2026-4603: jsrsasign before 11.1.1 has division by zero in RSA key parsing and BigInteger modPowInt.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-4603
23 Mar 202605:00
–attackerkb
circl
Circl
CVE-2026-4603
23 Mar 202608:46
–circl
cnnvd
CNNVD
jsrsasign 安全漏洞
23 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-4603
23 Mar 202605:00
–cvelist
euvd
EUVD
EUVD-2026-14380
23 Mar 202606:30
–euvd
github
Github Security Blog
jsrsasign: Division by Zero Allows Invalid JWK Modulus to Cause Deterministic Zero Output in RSA Operations
23 Mar 202606:30
–github
mend
Mend
CVE-2026-4603
23 Mar 202605:00
–mend
nvd
NVD
CVE-2026-4603
23 Mar 202606:16
–nvd
osv
OSV
GHSA-464Q-CQXQ-XHGR jsrsasign: Division by Zero Allows Invalid JWK Modulus to Cause Deterministic Zero Output in RSA Operations
23 Mar 202606:30
–osv
ptsecurity
Positive Technologies
PT-2026-27059
23 Mar 202600:00
–ptsecurity
Rows per page
NVD
Vulners
Node
kjurjsrsasignRange<11.1.1node.js
[
  {
    "product": "jsrsasign",
    "versions": [
      {
        "version": "0",
        "lessThan": "11.1.1",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "vendor": "n/a"
  }
]
ParameterPositionPathDescriptionCWE
moduluspathext/rsa.jsDivision by zero in RSASetPublic/KEYUTIL parsing path (ext/rsa.js) allowing RSA public-key operations to produce deterministic zero outputs when a JWK modulus decodes to zero.CWE-369
moduluspathext/jsbn.jsDivision by zero in BigInteger.modPowInt reduction logic (ext/jsbn.js) that can cause RSA operations to return zero outputs when modulus is zero.CWE-369

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22 Jun 2026 03:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 5.9
CVSS 45.1
EPSS0.0011
SSVC
51