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CVE-2021-23995

Description

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. 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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