USN-3918-4 firefox regressions

USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility and performance issues with some websites. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in ...

Mozilla Firefox Man-in-the-Middle Attack Vulnerability (CNVD-2019-08537)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox prior to version 66, which stems from the program failing to properly perform Upgrade-Insecure-Requests on same-origin navigation, and can be exploite...