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CVE-2021-23997

—
CVSS 3.1
8.8 high
EPSS
<1%p55
Published
()
Modified
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.

Vendors
mozilla
Products
firefox
Weakness
CWE-681
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.8%)

In the news

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