What’s Vulnerable › Vulnerabilities

CVE-2022-3032

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-610

Description

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; from 102.0 before 102.2.1 — fixed in 102.2.1, 91.13.1

How to fix

Upgrade to a fixed version: Mozilla Thunderbird 102.2.1, 91.13.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1783831
• https://www.mozilla.org/security/advisories/mfsa2022-38/
• https://www.mozilla.org/security/advisories/mfsa2022-39/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1783831
• https://www.mozilla.org/security/advisories/mfsa2022-38/
• https://www.mozilla.org/security/advisories/mfsa2022-39/

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