Vulnerabilities > Mozilla > Firefox > 21.0
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-12-08 | CVE-2021-38509 | Improper Restriction of Rendered UI Layers or Frames vulnerability in multiple products Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. | 4.3 |
| 2021-12-08 | CVE-2021-38510 | Unspecified vulnerability in Mozilla Firefox ESR The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. network mozilla | 6.8 |
| 2021-12-08 | CVE-2021-43530 | Cross-site Scripting vulnerability in Mozilla Firefox A Universal XSS vulnerability was present in Firefox for Android resulting from improper sanitization when processing a URL scanned from a QR code. | 4.3 |
| 2021-12-08 | CVE-2021-43531 | Origin Validation Error vulnerability in Mozilla Firefox When a user loaded a Web Extensions context menu, the Web Extension could access the post-redirect URL of the element clicked. | 4.3 |
| 2021-12-08 | CVE-2021-43532 | Open Redirect vulnerability in Mozilla Firefox The 'Copy Image Link' context menu action would copy the final image URL after redirects. | 5.8 |
| 2021-12-08 | CVE-2021-43533 | Unspecified vulnerability in Mozilla Firefox When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to user confusion or attacks such as phishing. network mozilla | 4.3 |
| 2021-12-08 | CVE-2021-43534 | Out-of-bounds Write vulnerability in multiple products Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. | 6.8 |
| 2021-12-08 | CVE-2021-43535 | Use After Free vulnerability in multiple products A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. | 6.8 |
| 2021-12-08 | CVE-2021-43536 | Information Exposure vulnerability in multiple products Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. | 6.5 |
| 2021-12-08 | CVE-2021-43537 | Incorrect Type Conversion or Cast vulnerability in multiple products An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. | 8.8 |