CVE-2025-11152

Sandbox escape due to integer overflow in the Graphics: Canvas2D component

State: Published
Severity: 8.6 High
Published: Sep 30, 2025
Updated: Apr 13, 2026
Reserved: Sep 29, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L	CISA-ADP

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
FirefoxMozilla	143.0.3 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1987246
https://www.mozilla.org/security/advisories/mfsa2025-80/

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