Punycode format text in Firefox before 57.0 will be displayed for entire qualified international domain names in some instances when a sub-domain triggers the punycode display instead of the primary domain being displayed in native script and the sub-domain only displaying as punycode. This could be used for limited spoofing attacks due to user confusion.
Punycode format text in Firefox before 57.0 will be displayed for entire qualified international domain names in some instances when a sub-domain triggers the punycode display instead of the primary domain being displayed in native script and the sub-domain only displaying as punycode. This could be used for limited spoofing attacks due to user confusion.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/#CVE-2017-7838 https://bugzilla.mozilla.org/show_bug.cgi?id=1399540
Vulmon