CVE-2022-45407

—

CVSS 3.1

7.5 high

EPSS

<1%p48

Published

Dec 22, 2022 (Dec 22, 2022)

Modified

Jun 17, 2026

Description

If an attacker loaded a font using FontFace() on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.

Vendors: mozilla
Products: firefox
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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