vulnerability
MFSA2020-20 Firefox: Security Vulnerabilities fixed in Firefox 77 (CVE-2020-12407)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:H/Au:N/C:P/I:N/A:N) | Jun 2, 2020 | Jun 3, 2020 | Aug 11, 2025 |
Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
Jun 2, 2020
Added
Jun 3, 2020
Modified
Aug 11, 2025
Description
Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.
Solution
mozilla-firefox-upgrade-77_0
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