First published: Tue Sep 20 2022(Updated: )
During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Thunderbird | <102.3 | 102.3 |
<105 | 105 | |
<102.3 | 102.3 | |
<102.3 | 102.3 | |
Mozilla Firefox | <105.0 | |
Mozilla Firefox ESR | <102.3 | |
Mozilla Thunderbird | <102.3 |
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(Found alongside the following vulnerabilities)
The severity of CVE-2022-40959 is high.
CVE-2022-40959 affects Mozilla Thunderbird up to version 102.3, Mozilla Firefox up to version 105, and Mozilla Firefox ESR up to version 102.3.
To fix CVE-2022-40959, update to the latest versions of Mozilla Thunderbird, Mozilla Firefox, or Mozilla Firefox ESR.
You can find more information about CVE-2022-40959 in the following references: [link1](https://bugzilla.mozilla.org/show_bug.cgi?id=1782211), [link2](https://www.mozilla.org/en-US/security/advisories/mfsa2022-42/), [link3](https://www.mozilla.org/en-US/security/advisories/mfsa2022-40/)
CVE-2022-40959 is a vulnerability that occurs during iframe navigation, where certain pages do not have their FeaturePolicy fully initialized, leading to a bypass that leaks device permissions into untrusted subdocuments.