CVE-2022-22738: High severity thunderbird vulnerability

Published Jan 11, 2022
·
Updated

Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash.

Affected Software

6 affected componentsFixes available
Mozilla Thunderbird<91.5
91.5
Mozilla Firefox<96.0
Mozilla Firefox ESR<91.5
Mozilla Thunderbird<91.5
Mozilla Firefox<96
96
Mozilla Firefox ESR<91.5
91.5

Event History

Jan 11, 2022
CVE Published
via Mozilla·12:00 AM
Dec 22, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2022-22738?

CVE-2022-22738 is a vulnerability that allows an attacker to access out of bounds memory by applying a CSS filter effect, potentially leading to a heap-buffer-overflow and a potentially exploitable crash.

2

Which software is affected by CVE-2022-22738?

CVE-2022-22738 affects Mozilla Firefox ESR versions earlier than 91.5, Mozilla Firefox versions earlier than 96, and Mozilla Thunderbird versions earlier than 91.5.

3

What is the severity of CVE-2022-22738?

CVE-2022-22738 has a severity rating of 8.8 (High).

4

How can I fix CVE-2022-22738?

To fix CVE-2022-22738, update your Mozilla Firefox ESR to version 91.5 or later, update your Mozilla Firefox to version 96 or later, or update your Mozilla Thunderbird to version 91.5 or later.

5

Where can I find more information about CVE-2022-22738?

You can find more information about CVE-2022-22738 on the Mozilla Bugzilla page and the Mozilla security advisories: mfsa2022-03 and mfsa2022-01.

Contact

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