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vulnerability

Red Hat: CVE-2022-29911: CVE-2022-29911 Mozilla: iframe Sandbox bypass (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
May 4, 2022
Added
May 5, 2022
Modified
Jun 17, 2026

Description

An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could lead to script execution without <code>allow-scripts</code> being present. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Solutions

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

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

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