DEBIAN-CVE-2020-12400

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2020-12400
Published: 08 Oct 2020, 14:15
Last modified:28 Apr 2026, 20:21

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Oct 2020, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:21
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debian•nss

    < 2:3.55-1 | < 2:3.55-1 | < 2:3.55-1 | < 2:3.55-1

References (1)