vulnerability
MFSA2022-06 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.6 (CVE-2022-22761)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Feb 8, 2022 | Feb 17, 2022 | Aug 12, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Feb 8, 2022
Added
Feb 17, 2022
Modified
Aug 12, 2025
Description
Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Solution
mozilla-thunderbird-upgrade-91_6
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