CVE-2017-7753

Source
Severity High
Remote Yes
Type Information disclosure
Description
An out-of-bounds read  has been found in firefox < 55.0 and thunderbird < 52.3, when applying style rules to pseudo-elements, such as ::first-line, using cached style data.
Group Package Affected Fixed Severity Status Ticket
AVG-385 thunderbird 52.2.1-1 52.3.0-1 Critical Fixed
AVG-375 firefox 54.0.1-1 55.0-1 Critical Fixed
Date Advisory Group Package Severity Description
10 Aug 2017 ASA-201708-3 AVG-375 firefox Critical multiple issues
23 Aug 2017 ASA-201708-18 AVG-385 thunderbird Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7753
https://bugzilla.mozilla.org/show_bug.cgi?id=1353312