The vulnerabilities of Firefox browsers, Firefox ESR, and the email client Thunderbird, related to information representation errors in the user interface, allow attackers to perform spear-phishing attacks.

The vulnerabilities of Firefox browsers, Firefox ESR, and the email client Thunderbird are related to information representation errors in the user interface. Exploiting these vulnerabilities can allow attackers to perform spear-phishing attacks by making a series of pop-up windows and calls to...