cvedb.io
CVE-2022-1520
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2022-12-22T20:15:13.217 · Last modified 2026-06-17T04:22:36.203

Summary

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.

Affected products

mozilla — thunderbird

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.