CVE-2020-12401
MEDIUM4.7EPSS 0.19%Published: 10/8/2020Modified: 4/28/2026
Description
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.
Affected packages (2)
- Alpine/nssfrom 0, < 3.55-r0
- Debian/nssfrom 0, < 2:3.55-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |