vulnerability
MFSA2017-20 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.3 (CVE-2017-7784)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Aug 18, 2017 | Aug 21, 2017 | Aug 12, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 18, 2017
Added
Aug 21, 2017
Modified
Aug 12, 2025
Description
A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Solution
mozilla-thunderbird-upgrade-52_3
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