CVE-2022-42927: High severity thunderbird vulnerability

Published Oct 18, 2022
·
Updated

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries(). This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Other sources

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries().

Affected Software

6 affected componentsFixes available
Mozilla Thunderbird<102.4
102.4
Mozilla Firefox<106.0
Mozilla Firefox ESR<102.4
Mozilla Thunderbird<102.4
Mozilla Firefox<106
106
Mozilla Firefox ESR<102.4
102.4

Event History

Oct 18, 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.

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Frequently Asked Questions

1

What is the vulnerability ID of this security issue?

The vulnerability ID is CVE-2022-42927.

2

What is the severity rating of CVE-2022-42927?

CVE-2022-42927 has a severity rating of 8.1 (high).

3

Which software versions are affected by CVE-2022-42927?

Mozilla Firefox versions before 106, Mozilla Firefox ESR versions before 102.4, and Mozilla Thunderbird versions before 102.4 are affected by CVE-2022-42927.

4

How can CVE-2022-42927 be exploited?

CVE-2022-42927 can be exploited by violating the same-origin policy and stealing cross-origin URL entries, leaking the result of a redirect via performance.getEntries().

5

Are there any references or additional information available for CVE-2022-42927?

Yes, for more information on CVE-2022-42927, you can refer to the following sources: [Mozilla Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1789128), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2022-44/).

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