CVE-2022-45407

Mozilla Firefox and 2 others: Use After Free

CVE-2022-45407 is fixed in 2 products on 1 platform, first by Mozilla Firefox (en-US) 107.0, released November 15, 2022. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0065
51st percentile

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.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 107.0 Mozilla Firefox (en-US) 107.0 Nov 15, 2022
Mozilla Firefox ESR (en-US) 115.4.0 Mozilla Firefox ESR (en-US) 115.4.0 Oct 17, 2023

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