CVE-2022-45407

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.

Score

CVSS 3.1 7.5 High

Status

Modified - security@mozilla.org

Published

2022-12-22

Last modified

2025-04-15

Weaknesses

CWE-416

Affected products

• Firefox (Mozilla)

References

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