Image for moz-icons can be accessed through the “moz-icon:” protocol through script in web content even when otherwise prohibited. This could allow for information leakage of which applications are associated with specific MIME types by a malicious page. This vulnerability affects Firefox < 59.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "59",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]