vulnerability

Red Hat: CVE-2025-5263: firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (Multiple Advisories)

Name: Red Hat: CVE-2025-5263: firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (Multiple Advisories)
Creator: Red Hat
Published: 2025-05-27T00:00:00.000Z
Keywords: CVE, CWE-346, Red Hat, 2025, 5263, firefox, redhat-upgrade-firefox, redhat-upgrade-firefox-debuginfo, redhat-upgrade-firefox-debugsource, redhat-upgrade-firefox-x11, redhat-upgrade-thunderbird, redhat-upgrade-thunderbird-debuginfo, redhat-upgrade-thunderbird-debugsource, Severity 6

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Severity

CVSS

(AV:N/AC:M/Au:N/C:P/I:P/A:N)

Published

May 27, 2025

Added

May 30, 2025

Modified

Jun 18, 2026

Description

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

Solutions

redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

Rapid7 Labs

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