The vulnerabilities of Firefox and Firefox ESR browsers, as well as the Thunderbird email client, are related to information representation errors in the user interface. These vulnerabilities allow attackers to perform spoofing attacks.

The vulnerabilities of Firefox and Firefox ESR browsers, as well as the Thunderbird email client, are related to information representation errors in the user interface. Exploiting these vulnerabilities can allow a malicious actor to perform a spear-phishing attack by manipulating the URL field...