Security Advisory
CVE-2021-23999
8.8
HIGH
Vulnerability Description
If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Published Date
June 24, 2021
Official Source
NIST NVD Advisory