CVE-2022-1520

Description

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-18/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1745019 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-1520?
CVE-2022-1520 has been scored as a medium severity vulnerability.
How to fix CVE-2022-1520?
To fix CVE-2022-1520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-1520 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-1520 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1520?
CVE-2022-1520 affects Mozilla Thunderbird.
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