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CVE-2021-23995

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CVE-2021-23995

Published: Jun 24, 2021

Modified: Aug 3, 2024

PUBLISHED

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.

VendorProductVersions

Mozilla

Firefox ESR

affected
unspecified - < 78.10

Mozilla

Thunderbird

affected
unspecified - < 78.10

Mozilla

Firefox

affected
unspecified - < 88

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