VULNERABILITY INTELLIGENCE
CVE-2020-12396
CVSS score9.8 CRITICAL
EPSS probability1.68%
CISA KEVNot currently listed
Published2020-05-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 75. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 76.
Weakness classification
- nvd@nist.gov: CWE-787
Primary references
- security@mozilla.org — Broken Link, Issue Tracking
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory