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CVE-2019-9816 A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups,…

Description

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Affected products and versions

Product Affected versions Fixed in
Thunderbird 60.7 earliest → < 60.7 60.7
Firefox 67 earliest → < 67 67
Firefox ESR 60.7 earliest → < 60.7 60.7
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