Ubuntu.comUB:CVE-2021-4128CVE-2021-4128
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
34.2%
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap |
| alexmurray | Only affects Firefox for MacOS |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
34.2%