4.1 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
40.8%
Firefox for Android would become unstable and hard-to-recover when a website opened too many popups. This bug only affects Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox < 89.
bugzilla.mozilla.org/show_bug.cgi?id=1701673
www.mozilla.org/security/advisories/mfsa2021-23/