| 2019-02-28 | CVE-2018-12400 | Information Exposure vulnerability in Mozilla Firefox
In private browsing mode on Firefox for Android, favicons are cached in the cache/icons folder as they are in non-private mode. | 5.3 |
| 2019-02-28 | CVE-2018-12399 | Improper Authentication vulnerability in multiple products
When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. | 4.3 |
| 2019-02-28 | CVE-2018-12398 | By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). | 6.5 |
| 2019-02-28 | CVE-2018-12397 | Information Exposure vulnerability in multiple products
A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. | 7.1 |
| 2019-02-28 | CVE-2018-12396 | Incorrect Permission Assignment for Critical Resource vulnerability in multiple products
A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. | 6.5 |
| 2019-02-28 | CVE-2018-12395 | By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. | 7.5 |
| 2019-02-28 | CVE-2018-12392 | When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. | 9.8 |
| 2019-02-28 | CVE-2018-12391 | Incorrect Authorization vulnerability in Mozilla Firefox
During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. | 8.8 |
| 2019-02-28 | CVE-2018-12390 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. | 9.8 |
| 2019-02-28 | CVE-2018-12388 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Mozilla developers and community members reported memory safety bugs present in Firefox 62. | 8.8 |