Vulnerabilities > Mozilla > Firefox > 91.0
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-12-08 | CVE-2021-43544 | Cross-site Scripting vulnerability in Mozilla Firefox When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks. | 4.3 |
| 2021-12-08 | CVE-2021-43545 | Excessive Iteration vulnerability in multiple products Using the Location API in a loop could have caused severe application hangs and crashes. | 6.5 |
| 2021-12-08 | CVE-2021-43546 | Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. | 4.3 |
| 2021-11-03 | CVE-2021-29991 | HTTP Request Smuggling vulnerability in Mozilla Firefox Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. | 5.8 |
| 2021-11-03 | CVE-2021-38491 | Unspecified vulnerability in Mozilla Firefox Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. network mozilla | 4.3 |
| 2021-11-03 | CVE-2021-38492 | Unspecified vulnerability in Mozilla Firefox When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. | 6.5 |
| 2021-11-03 | CVE-2021-38493 | Out-of-bounds Write vulnerability in Mozilla Firefox Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. | 8.8 |
| 2021-11-03 | CVE-2021-38494 | Out-of-bounds Write vulnerability in Mozilla Firefox Mozilla developers reported memory safety bugs present in Firefox 91. | 6.8 |
| 2021-11-03 | CVE-2021-38496 | Use After Free vulnerability in multiple products During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. | 6.8 |
| 2021-11-03 | CVE-2021-38497 | Origin Validation Error vulnerability in Mozilla Firefox Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. | 4.3 |