PT-2026-118366 · Mozilla · Firefox+1

·

CVE-2026-113399

·

Published

2026-10-20

·

Updated

2026-10-20

None

No severity ratings or metrics are available. When they are, we'll update the corresponding info on the page.
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158.0.1 Thunderbird versions prior to 158.0.1
Description Incorrect boundary conditions exist within the SVG component, which is a module used for rendering Scalable Vector Graphics.
Recommendations Update Firefox to version 158.0.1 or later. Update Thunderbird to version 158.0.1 or later.
Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

CVE-2026-113399

Affected Products

Firefox
Thunderbird