CVE-2022-45407

high

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.

References

https://www.mozilla.org/security/advisories/mfsa2022-47/

https://bugzilla.mozilla.org/show_bug.cgi?id=1793314

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2025-04-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H