CVE-2022-45407

State: Published
Severity: 7.5 High
Published: Dec 22, 2022
Updated: Apr 15, 2025
Reserved: Nov 14, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
FirefoxMozilla	before 107Affected

References

https://www.mozilla.org/security/advisories/mfsa2022-47/
https://bugzilla.mozilla.org/show_bug.cgi?id=1793314

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