MFSA2019-34 Firefox: Security vulnerabilities fixed in - Firefox 70 (CVE-2019-11761)
6
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
10/22/2019
10/24/2019
10/23/2019
01/16/2020
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.
Solution(s)
- mozilla-firefox-upgrade-70_0
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