vulnerability
MFSA2017-09 Thunderbird: Security vulnerabilities fixed in - Thunderbird 52 (CVE-2017-5403)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Apr 5, 2017 | Apr 11, 2017 | Aug 12, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Apr 5, 2017
Added
Apr 11, 2017
Modified
Aug 12, 2025
Description
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Solution
mozilla-thunderbird-upgrade-52_0
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