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CVE-2026-4598

HIGH

7.5

Description

Versions of the package jsrsasign before 11.1.1 are vulnerable to Infinite loop via the bnModInverse function in ext/jsbn2.js when the BigInteger.modInverse implementation receives zero or negative inputs, allowing an attacker to hang the process permanently by supplying such crafted values (e.g., modInverse(0, m) or modInverse(-1, m)).

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/23/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

jsrsasign_project:jsrsasign

Weaknesses (CWE)

CWE-835

References

https://gist.github.com/Kr0emer/a1bf5cd4547cc630d2dcc5e761de8264(report@snyk.io)

https://github.com/kjur/jsrsasign/commit/ca5b027240287a1e71fe63019fc4400332594323(report@snyk.io)

https://github.com/kjur/jsrsasign/pull/648(report@snyk.io)

https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370938(report@snyk.io)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.