CVE-2021-23997

Description

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.

References

https://www.mozilla.org/security/advisories/mfsa2021-16/

https://bugzilla.mozilla.org/show_bug.cgi?id=1701942

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3