CWE
922
Advisory Published
CVE Published
Updated

CVE-2022-40959

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 SoftwareAffected VersionHow 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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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-40959?

    The severity of CVE-2022-40959 is high.

  • Which software versions are affected by CVE-2022-40959?

    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.

  • How can I fix CVE-2022-40959?

    To fix CVE-2022-40959, update to the latest versions of Mozilla Thunderbird, Mozilla Firefox, or Mozilla Firefox ESR.

  • Where can I find more information about CVE-2022-40959?

    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/)

  • What is the vulnerability description of CVE-2022-40959?

    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.

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