CVE-2021-23997: vulnerability in Mozilla Firefox
Published · Updated
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3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.8%
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
Mozilla · FirefoxRelated CVEs — Mozilla Firefox
In the same product, most dangerous first.