During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Related CVEs

CVE-2020-12401

Key Information

GHSA ID

GHSA-cm2q-67xf-jw8c

Published

May 24, 2022 5:30 PM

Last Modified

February 20, 2023 6:30 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 14, 2025 6:31 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.