CVE-2022-0566

Description

It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write of one byte when processing the message. This vulnerability affects Thunderbird < 91.6.1.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-07/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1753094 vendor advisory issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2022-0566?
CVE-2022-0566 has been scored as a high severity vulnerability.
How to fix CVE-2022-0566?
To fix CVE-2022-0566, 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-2022-0566 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-0566 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-2022-0566?
CVE-2022-0566 affects Mozilla Thunderbird.
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