VULNERABILITY INTELLIGENCE
CVE-2019-9814
CVSS score9.8 CRITICAL
EPSS probability1.28%
CISA KEVNot currently listed
Published2019-07-23
Last modified2026-06-17
CVSS vectorCVSS:3.0/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 66. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 67.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Permissions Required
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory