vulnerability

Red Hat: CVE-2022-34479: CVE-2022-34479 Mozilla: A popup window could be resized in a way to overlay the address bar with web content (Multiple Advisories)

Name: Red Hat: CVE-2022-34479: CVE-2022-34479 Mozilla: A popup window could be resized in a way to overlay the address bar with web content (Multiple Advisories)
Creator: Red Hat
Published: 2022-06-30T00:00:00.000Z
Keywords: CVE, CWE-451, Red Hat, 2022, 34479, 34479 Mozilla, redhat-upgrade-firefox, redhat-upgrade-firefox-debuginfo, redhat-upgrade-firefox-debugsource, redhat-upgrade-thunderbird, redhat-upgrade-thunderbird-debuginfo, redhat-upgrade-thunderbird-debugsource, Severity 8

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Severity

CVSS

(AV:N/AC:H/Au:N/C:C/I:C/A:C)

Published

Jun 30, 2022

Added

Jul 5, 2022

Modified

Jun 17, 2026

Description

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Solutions

redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

Rapid7 Labs

2026 Global Threat Landscape Report

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