### [CVE-2021-29962](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29962) ![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2089%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=No%20rate-limiting%20for%20popups%20on%20Firefox%20for%20Android&color=brighgreen) ### Description 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. ### POC #### Reference - https://bugzilla.mozilla.org/show_bug.cgi?id=1701673 #### Github No PoCs found on GitHub currently.