CVE-2021-4128

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable…

Medium · published December 22, 2022

CVSS v3.1
6.5
EPSS
1%
Percentile
46.7
In the wild
Unconfirmed
What it is

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00575 · 46.7th percentile
Published
2022-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable…
    cvelistv5