MFSA2020-44 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.3 (CVE-2020-15676)
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
09/22/2020
09/26/2020
09/25/2020
10/09/2020
Description
Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Solution(s)
- mozilla-thunderbird-upgrade-78_3
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