Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From ELSA-2022-4776:
[91.9.1-1.0.1] - Removed Upstream references - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file [91.9.1-1] - Update to 91.9.1 build1
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