CVE-2021-23997 (GCVE-0-2021-23997)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:25 – Updated: 2024-08-03 19:14
VLAI
Summary
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.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Use-after-free when freeing fonts from cache
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 88 (custom)
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