CVE-2017-7783
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-res…
Published: 2018-06-11 · CVSS: Unscored
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. This vulnerability affects Firefox < 55.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7