First published: Tue Aug 08 2017(Updated: )
If a long user name is used in a username/password combination in a site URL (such as http://UserName:Password@example.com), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox | <55 | 55 |
<55 | 55 | |
Mozilla Firefox | <55.0 |
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(Found alongside the following vulnerabilities)