vulnerability
MFSA2022-47 Firefox: Security Vulnerabilities fixed in Firefox 107 (CVE-2022-45407)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Nov 15, 2022 | Nov 16, 2022 | Mar 27, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 15, 2022
Added
Nov 16, 2022
Modified
Mar 27, 2026
Description
If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.
Solution
mozilla-firefox-upgrade-107_0
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.