CVE-2023-25743: High severity mozilla focus vulnerability

Published Feb 14, 2023
·
Updated

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.

This bug only affects Firefox Focus. Other versions of Firefox are unaffected.

External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/#CVE-2023-25743

Other sources

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>This bug only affects Firefox Focus. Other versions of Firefox are unaffected.. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.This bug only affects Firefox Focus. Other versions of Firefox are unaffected.

The Mozilla Foundation Security Advisory describes this flaw as: A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome. This bug only affects Firefox Focus. Other versions of Firefox are unaffected.

Affected Software

20 affected componentsFixes available
redhat/firefox<0:102.8.0-2.el7_9
0:102.8.0-2.el7_9
redhat/thunderbird<0:102.8.0-2.el7_9
0:102.8.0-2.el7_9
redhat/firefox<0:102.8.0-2.el8_7
0:102.8.0-2.el8_7
redhat/thunderbird<0:102.8.0-2.el8_7
0:102.8.0-2.el8_7
redhat/firefox<0:102.8.0-2.el8_1
0:102.8.0-2.el8_1
redhat/thunderbird<0:102.8.0-2.el8_1
0:102.8.0-2.el8_1
redhat/firefox<0:102.8.0-2.el8_2
0:102.8.0-2.el8_2
redhat/thunderbird<0:102.8.0-2.el8_2
0:102.8.0-2.el8_2
redhat/firefox<0:102.8.0-2.el8_4
0:102.8.0-2.el8_4
redhat/thunderbird<0:102.8.0-2.el8_4
0:102.8.0-2.el8_4
redhat/firefox<0:102.8.0-2.el8_6
0:102.8.0-2.el8_6
redhat/thunderbird<0:102.8.0-2.el8_6
0:102.8.0-2.el8_6
redhat/firefox<0:102.8.0-2.el9_1
0:102.8.0-2.el9_1
redhat/thunderbird<0:102.8.0-2.el9_1
0:102.8.0-2.el9_1
redhat/firefox<0:102.8.0-2.el9_0
0:102.8.0-2.el9_0
redhat/thunderbird<0:102.8.0-2.el9_0
0:102.8.0-2.el9_0
redhat/firefox<102.8
102.8
redhat/thunderbird<102.8
102.8
Mozilla Firefox Focus
Mozilla Firefox<110
110

Event History

Feb 14, 2023
CVE Published
12:00 AM
Jun 2, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
05:15 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2023-25743?

The severity of CVE-2023-25743 is high.

2

Which versions of Firefox are affected by CVE-2023-25743?

Firefox versions prior to 110 are affected by CVE-2023-25743.

3

Which versions of Firefox Focus are affected by CVE-2023-25743?

Firefox Focus versions prior to 110 are affected by CVE-2023-25743.

4

How can I fix CVE-2023-25743 in Firefox?

Update your Firefox browser to version 110 or higher to fix CVE-2023-25743.

5

How can I fix CVE-2023-25743 in Firefox Focus?

Update your Firefox Focus browser to version 110 or higher to fix CVE-2023-25743.

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