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CVE-2019-11761 By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned…

Description

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Affected products and versions

Product Affected versions Fixed in
Firefox Versions not published
Thunderbird Versions not published
Firefox ESR Versions not published

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