By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26977 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1676311
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1676311
- https://www.mozilla.org/security/advisories/mfsa2020-54/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-54/