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. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12407 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1637112
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1637112
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-20/