The vulnerability in the implementation of the XSLT (Extensible Stylesheet Language Transformations) technology of the Firefox browser and the Thunderbird email client allows attackers to perform spoofing attacks.

The vulnerability of the XSLT technology implementation in Firefox browsers and the Thunderbird email client is related to incorrect handling of the user interface during the processing of the address bar content. Exploiting this vulnerability allows a remote attacker to perform spoofing attacks...