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Red Hat Security Advisory

RHSA-2020:5398

thunderbird security update

Released 2020-12-14 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 1 record

TI-2020-16393 CVE-2020-26970 · GHSA-w8wp-h42w-f3m4

Out-of-bounds write in Mozilla Thunderbird

Priority MEDIUM 41

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.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.01247 Published 2020-12-09 Partial fix · 78.5.1 CWE-787