CVE-2020-12407

—

CVSS 3.1

6.5 medium

EPSS

<1%p60

Published

Jul 9, 2020 (Jul 9, 2020)

Modified

Jun 17, 2026

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.

Vendors: mozilla
Products: firefox
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

In the news0 stories

No ingested article mentions this CVE yet.