Security Advisory

CVE-2026-4601

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-23 05:00:13

Last updated 2026-03-23 14:41:10

Assigner snyk

State PUBLISHED

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.

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