MFSA2021-09 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.8 (CVE-2021-23973)
4
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
02/23/2021
02/25/2021
02/24/2021
03/05/2021
Description
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
Solution(s)
- mozilla-thunderbird-upgrade-78_8
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