CVEvulnerability

CVE-2020-12407

6.5 MEDIUM Published 2020-07-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.6 LOW — AV:N/AC:H/Au:N/C:P/I:N/A:N
Weaknesses
CWE-125

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.

Affected configurations

• mozilla firefox (< 77.0)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References