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 crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

Score

CVSS 3.1 6.5 Medium

Status

Modified - security@mozilla.org

Published

2022-12-22

Last modified

2025-04-16

Weaknesses

CWE-416

Affected products

• Firefox (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
• https://www.mozilla.org/security/advisories/mfsa2021-52/