CVE-2026-4601
jsrsasign: jsrsasign: Private Key Recovery via Missing Cryptographic Step in DSA Signing
Sévérité par source
Le label propre à Trivy est CRITICAL. Critique selon NVD. Plus basse selon GHSA (élevée), Red Hat (élevée).
Description
Versions of the package jsrsasign before 11.1.1 are vulnerable to Missing Cryptographic Step via the KJUR.crypto.DSA.signWithMessageHash process in the DSA signing implementation. An attacker can recover the private key by forcing r or s to be zero, so the library emits an invalid signature without retrying, and then solves for x from the resulting signature.
Paquets affectés et versions corrigées
| Source | Paquet | Corrigé en |
|---|---|---|
| npm::GitHub Security Advisory npm | jsrsasign | 11.1.1 |
Références
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:19409
- https://access.redhat.com/errata/RHSA-2026:19410
- https://access.redhat.com/errata/RHSA-2026:6568
- https://access.redhat.com/errata/RHSA-2026:6720
- https://access.redhat.com/errata/RHSA-2026:6912
- https://access.redhat.com/errata/RHSA-2026:6926
- https://access.redhat.com/security/cve/CVE-2026-4601
Les 18 références
- https://bugzilla.redhat.com/show_bug.cgi?id=2450209
- https://gist.github.com/Kr0emer/93789fe6efe5519db9692d4ad1dad586
- https://github.com/kjur/jsrsasign
- https://github.com/kjur/jsrsasign/commit/0710e392ec35de697ce11e4219c988ba2b5fe0eb
- https://github.com/kjur/jsrsasign/pull/645
- https://nvd.nist.gov/vuln/detail/CVE-2026-4601
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4601.json
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-15812269
- https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370941
- https://www.cve.org/CVERecord?id=CVE-2026-4601