vulnerability
MFSA2025-54 Thunderbird: Security Vulnerabilities fixed in Thunderbird 140 (CVE-2025-6436)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jun 24, 2025 | Jul 3, 2025 | Aug 12, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jun 24, 2025
Added
Jul 3, 2025
Modified
Aug 12, 2025
Description
Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 < 140 and Thunderbird < 140.
Solution
mozilla-thunderbird-upgrade-140_0
NEW
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