PT-2026-33949
CVE-2026-6763
·
Published
2026-04-21
·
Updated
2026-07-25
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 150
Firefox ESR versions prior to 140.10
Thunderbird versions prior to 150
Thunderbird versions prior to 140.10
Description
A mitigation bypass exists within the File Handling component.
Recommendations
Update Firefox to version 150.
Update Firefox ESR to version 140.10.
Update Thunderbird to version 150.
Update Thunderbird to version 140.10.
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