CVE-2022-0566
First published: Tue Feb 15 2022(Updated: )
A flaw was found in Thunderbird. The vulnerability occurs due to an out-of-bounds write of one byte when processing the message. This flaw allows an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/thunderbird | <0:91.7.0-2.el7_9 | 0:91.7.0-2.el7_9 |
| redhat/thunderbird | <0:91.7.0-2.el8_5 | 0:91.7.0-2.el8_5 |
| redhat/thunderbird | <0:91.7.0-2.el8_1 | 0:91.7.0-2.el8_1 |
| redhat/thunderbird | <0:91.7.0-2.el8_2 | 0:91.7.0-2.el8_2 |
| redhat/thunderbird | <0:91.7.0-2.el8_4 | 0:91.7.0-2.el8_4 |
| redhat/Thunderbird | <91.6.1 | 91.6.1 |
| Thunderbird | <91.6.1 | 91.6.1 |
| Thunderbird | <91.6.1 | |
| <91.6.1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-07/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-07/#CVE-2022-0566
- https://www.mozilla.org/security/advisories/mfsa2022-07/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2055592
- https://access.redhat.com/errata/RHSA-2022:0843
- https://access.redhat.com/errata/RHSA-2022:0847
- https://access.redhat.com/errata/RHSA-2022:0845
- https://access.redhat.com/errata/RHSA-2022:0853
- https://access.redhat.com/errata/RHSA-2022:0850
- https://access.redhat.com/security/cve/cve-2022-0566
- https://bugzilla.redhat.com/show_bug.cgi?id=2055591
- https://www.cve.org/CVERecord?id=CVE-2022-0566 https://nvd.nist.gov/vuln/detail/CVE-2022-0566 https://www.mozilla.org/en-US/security/advisories/mfsa2022-07/#CVE-2022-0566
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2022-0566?
CVE-2022-0566 is rated as a high severity vulnerability due to its potential impact on the Thunderbird email client.
How do I fix CVE-2022-0566?
To fix CVE-2022-0566, users should update Thunderbird to version 91.6.1 or later.
What types of email clients are affected by CVE-2022-0566?
CVE-2022-0566 affects Mozilla Thunderbird versions prior to 91.6.1.
Can CVE-2022-0566 allow remote code execution?
Yes, CVE-2022-0566 could potentially allow attackers to execute arbitrary code through specially crafted email messages.
Is there a specific patch for CVE-2022-0566?
The specific patch for CVE-2022-0566 is included in Thunderbird version 91.6.1 and later.
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