What is CVE-2022-3032?

CVE-2022-3032 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 6.5/10. Published 2022-12-22.

How severe is CVE-2022-3032?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mozilla Thunderbird

CVE-2022-3032

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.

EPSS: 0.007 (48.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Mozilla Thunderbird — versions unspecified

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

security@mozilla.org (Vendor Advisory)
security@mozilla.org (Vendor Advisory)
security@mozilla.org (Permissions Required)

Frequently asked questions

What is CVE-2022-3032?: CVE-2022-3032 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 6.5/10. Published 2022-12-22.
How severe is CVE-2022-3032?: Medium severity. CVSS v3 base score is 6.5 out of 10.