CVE-2025-11152

High

Description

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.

SeverityHigh
CVSS8.6
Exploit probability—
ProductMozilla Firefox
PublishedSep 30, 2025
First seenSep 30, 2025

How to fix

Update
  • mozilla firefox143.0.3 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 143.0.3143.0.3

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