vulnerability
MFSA2021-52 Firefox: Security Vulnerabilities fixed in Firefox 95 (CVE-2021-4128)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Dec 7, 2021 | Dec 17, 2021 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Dec 7, 2021
Added
Dec 17, 2021
Modified
Aug 11, 2025
Description
When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Solution
mozilla-firefox-upgrade-95_0
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