CVE-2019-11761 log

Source
Severity Medium
Remote Yes
Type Access restriction bypass
Description
An issue has been found in Firefox before 70.0 and Thunderbird before 68.2, where 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.
Group Package Affected Fixed Severity Status Ticket
AVG-1055 firefox 69.0.3-1 70.0-1 Critical Fixed
AVG-1054 thunderbird 68.1.1-1 68.2.0-1 Critical Fixed
Date Advisory Group Package Severity Description
26 Oct 2019 ASA-201910-16 AVG-1055 firefox Critical multiple issues
26 Oct 2019 ASA-201910-15 AVG-1054 thunderbird Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2019-34/#CVE-2019-11761
https://www.mozilla.org/en-US/security/advisories/mfsa2019-35/#CVE-2019-11761
https://bugzilla.mozilla.org/show_bug.cgi?id=1561502