CVE-2022-3032: Mozilla Thunderbird

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

When receiving an HTML email that contained an <code>iframe</code> element, which used a <code>srcdoc</code> attribute to define the inner HTML document, remote objects specified in the nested document, for example images or videos, were not blocked. Rather, the network was accessed, the objects were loaded and displayed. This vulnerability affects Thunderbird < 102.2.1 and Thunderbird < 91.13.1.

Affected products

• Mozilla Thunderbird: before 91.13.1 (fixed in 91.13.1); from 102.0, before 102.2.1 (fixed in 102.2.1)

Published 2022-12-22. Last modified 2026-06-17.