The vulnerability of the Thunderbird email client, as well as the Firefox and Firefox ESR browsers, is related to incorrect operation limits within the memory buffer during the processing of HTML content. This allows an attacker to cause memory corruption and execute arbitrary code on the target system.

The vulnerability of the Thunderbird email client, as well as browsers Firefox and Firefox ESR, is related to incorrect restrictions on operations within the memory buffer during the processing of HTML content. Exploiting this vulnerability can allow an attacker to trigger memory corruption and...