vulnerability
MFSA2022-21 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.10 (CVE-2022-31738)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:C/A:N) | May 31, 2022 | Jun 1, 2022 | Feb 10, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:C/A:N)
Published
May 31, 2022
Added
Jun 1, 2022
Modified
Feb 10, 2026
Description
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Solution
mozilla-firefox-esr-upgrade-91_10
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