CVE-2026-4598
CVE-2026-4598
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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)).
CVSS 8.7 · High · EPSS 0.6% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
jsrsasign
- Versions
- ≥ 0, < 11.1.1: Affected (semver)
Update to 11.1.1
org.webjars.npm:jsrsasign
- Versions
- ≥ 0: Affected (semver)
No fix published
jsrsasign npm
- Affected ranges
- SEMVER: < 11.1.1
Update to 11.1.1
Original sources
- https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370938
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812263
- https://gist.github.com/Kr0emer/a1bf5cd4547cc630d2dcc5e761de8264
- https://github.com/kjur/jsrsasign/pull/648
- https://github.com/kjur/jsrsasign/commit/ca5b027240287a1e71fe63019fc4400332594323
- https://access.redhat.com/security/cve/CVE-2026-4598
- https://bugzilla.redhat.com/show_bug.cgi?id=2450210
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4598.json
- https://access.redhat.com/errata/RHSA-2026:19409
- https://access.redhat.com/errata/RHSA-2026:19410
- https://access.redhat.com/errata/RHSA-2026:22840
- https://access.redhat.com/errata/RHSA-2026:6720
- https://access.redhat.com/errata/RHSA-2026:6568
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:23361
- https://nvd.nist.gov/vuln/detail/CVE-2026-4598