Vulnerabilities > Mozilla > Firefox > Critical
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-12-08 | CVE-2021-38503 | Incorrect Authorization vulnerability in multiple products The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. | 10.0 |
| 2021-08-05 | CVE-2021-29971 | Improper Preservation of Permissions vulnerability in Mozilla Firefox If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or port - would be granted that permission. | 9.8 |
| 2021-01-07 | CVE-2020-26972 | Use After Free vulnerability in Mozilla Firefox The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. | 9.8 |
| 2020-10-22 | CVE-2020-15683 | Use After Free vulnerability in multiple products Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. | 9.8 |
| 2020-10-22 | CVE-2020-15684 | Use After Free vulnerability in Mozilla Firefox Mozilla developers reported memory safety bugs present in Firefox 81. | 9.8 |
| 2020-05-26 | CVE-2020-12388 | Improper Input Validation vulnerability in Mozilla Firefox The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. | 10.0 |
| 2020-05-26 | CVE-2020-12389 | Improper Input Validation vulnerability in Mozilla Firefox The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. | 10.0 |
| 2020-05-26 | CVE-2020-12390 | Deserialization of Untrusted Data vulnerability in Mozilla Firefox Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. | 9.8 |
| 2020-05-26 | CVE-2020-6831 | Out-of-bounds Write vulnerability in multiple products A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. | 9.8 |
| 2020-05-26 | CVE-2020-12395 | Out-of-bounds Write vulnerability in multiple products Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. | 9.8 |