PT-2026-111475
CVE-2026-109754
·
Published
2026-10-13
·
Updated
2026-10-22
Description by
CVSS 3.1
8.1
HighMetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 158
Firefox ESR versions prior to 153.5
Thunderbird versions prior to 158
Thunderbird versions prior to 153.5
Description
Incorrect boundary conditions exist within the DOM: Editor component.
Recommendations
Update Firefox to version 158.
Update Firefox ESR to version 153.5.
Update Thunderbird to version 158.
Update Thunderbird to version 153.5.
Found an issue in the description? Have something to add? Feel free to write us 👾