CVE-2020-12400EPSS p17.2%

CVE-2020-12400CVE-2020-12400

mozilla / firefox

Description

When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Scoring

CVSS 4.7 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS0.27% probability of exploitation · percentile 17.2% · 2026-10-05T12:00:23Z
Last modified2026-08-19
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.