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CVE-2021-23999

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.


Affected Software


CPE Name Name Version
mozilla:thunderbird mozilla thunderbird 78.10
mozilla:firefox mozilla firefox 88.0
mozilla:firefox_esr mozilla firefox esr 78.10

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