CVE-2026-4598

HighCVSS 7.5/10Last modified Sep 10, 2026

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)).

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835CWE-1287

Affected software

No affected versions have been published.

Timeline

Published
Mar 23, 2026
Last modified
Sep 10, 2026
NVD status
Modified

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CVE-2026-4598: High severity, CVSS 7.5 | Vulnix