Vulnerability Database

314,373

Total vulnerabilities in the database

CVE-2020-12407

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.

  • Published: Jul 9, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-12407
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.6
  • AV:N/AC:H/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
mozilla / firefox - 77.0