MFSA2020-53 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.5.1 (CVE-2020-26970)
9
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
12/01/2020
12/03/2020
12/02/2020
12/14/2020
Description
When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.
Solution(s)
- mozilla-thunderbird-upgrade-78_5_1
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