CVE-2022-22743
First published: Tue Jan 11 2022(Updated: )
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <91.5 | 91.5 |
| <96 | 96 | |
| <91.5 | 91.5 | |
| <91.5 | 91.5 | |
| Mozilla Firefox | <96.0 | |
| Mozilla Firefox ESR | <91.5 | |
| Mozilla Thunderbird | <91.5 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1739220
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-02/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-03/
- https://www.mozilla.org/security/advisories/mfsa2022-01/
- https://www.mozilla.org/security/advisories/mfsa2022-02/
- https://www.mozilla.org/security/advisories/mfsa2022-03/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2022-22743?
CVE-2022-22743 is a vulnerability that allows an attacker-controlled tab to prevent the browser from leaving fullscreen mode.
Which software versions are affected by CVE-2022-22743?
Mozilla Firefox ESR up to version 91.5, Mozilla Firefox up to version 96, and Mozilla Thunderbird up to version 91.5 are affected by CVE-2022-22743.
What is the severity of CVE-2022-22743?
CVE-2022-22743 has a severity rating of high (7) based on the Common Vulnerability Scoring System (CVSS).
How can I fix CVE-2022-22743?
To fix CVE-2022-22743, update Mozilla Firefox ESR to version 91.5 or later, update Mozilla Firefox to version 96 or later, and update Mozilla Thunderbird to version 91.5 or later.
Where can I find more information about CVE-2022-22743?
You can find more information about CVE-2022-22743 in the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1739220), [Mozilla Advisory MFSA2022-03](https://www.mozilla.org/en-US/security/advisories/mfsa2022-03/), and [Mozilla Advisory MFSA2022-01](https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/).
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