MFSA2023-55 Thunderbird: Security Vulnerabilities fixed in Thunderbird 115.6 (CVE-2023-6863)
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
12/19/2023
12/21/2023
12/20/2023
12/27/2023
Description
The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Solution(s)
- mozilla-thunderbird-upgrade-115_6
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