Security Advisory

CVE-2026-4600

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-23 05:00:08

Last updated 2026-03-23 15:53:02

Assigner snyk

State PUBLISHED

Description

Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic (and the related DSA/X509 verification flow in src/dsa-2.0.js). An attacker can forge DSA signatures or X.509 certificates that X509.verifySignature() accepts by supplying malicious domain parameters such as g=1, y=1, and a fixed r=1, which make the verification equation true for any hash.

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