Vulnerabilities > Mozilla > Firefox ESR
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-12-08 | CVE-2021-43538 | Race Condition vulnerability in multiple products By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. | 4.3 |
| 2021-12-08 | CVE-2021-43539 | Use After Free vulnerability in multiple products Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. | 8.8 |
| 2021-12-08 | CVE-2021-43541 | When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. | 6.5 |
| 2021-12-08 | CVE-2021-43542 | Information Exposure Through an Error Message vulnerability in multiple products Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. | 6.5 |
| 2021-12-08 | CVE-2021-43543 | Cross-site Scripting vulnerability in multiple products Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. | 6.1 |
| 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-2021-38492 | 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-2021-38495 | Out-of-bounds Write vulnerability in Mozilla Firefox ESR Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. | 8.8 |