vulnerability
MFSA2020-29 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78 (CVE-2020-12426)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jul 9, 2020 | Jul 20, 2020 | Aug 12, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jul 9, 2020
Added
Jul 20, 2020
Modified
Aug 12, 2025
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 77. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 78.
Solution
mozilla-thunderbird-upgrade-78_0
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.