Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-23997

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 56.9%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
Products affected by CVE-2021-23997


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