high8.8
CVE-2021-23997
Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache.
Impact
Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 88.0 |