vulnerability
MFSA2022-18 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.9 (CVE-2022-29909)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | May 3, 2022 | May 6, 2022 | Aug 12, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 3, 2022
Added
May 6, 2022
Modified
Aug 12, 2025
Description
Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
Solution
mozilla-thunderbird-upgrade-91_9
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