CVE-2026-4599
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 23, 2026
- Updated
- Sep 10, 2026
- Reserved
- Mar 22, 2026
Description
Versions of the package jsrsasign from 7.0.0 and before 11.1.1 are vulnerable to Incomplete Comparison with Missing Factors via the getRandomBigIntegerZeroToMax and getRandomBigIntegerMinToMax functions in src/crypto-1.1.js; an attacker can recover the private key by exploiting the incorrect compareTo checks that accept out-of-range candidates and thus bias DSA nonces during signature generation.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | snyk |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | snyk |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
jsrsasignn/a |
|
org.webjars.npm:jsrsasignn/a |
|
References
- https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370939
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812264
- https://gist.github.com/Kr0emer/081681818b51605c91945126d74b4f20
- https://github.com/kjur/jsrsasign/pull/647
- https://github.com/kjur/jsrsasign/commit/ee4b013478366cb16cea9a4bdfb218b6077f83b1
- https://access.redhat.com/security/cve/CVE-2026-4599vdb-entry
- RHBZ#2450207issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4599.json
- https://access.redhat.com/errata/RHSA-2026:19409vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:19410vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:6912vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:6720vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:6568vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:19375vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:6926vendor-advisory
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