CVE-2025-14322

HighCVSS 8.0/10Last modified Oct 7, 2026

Description

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-754

Affected software

VendorProductVersions
MozillaFirefox—
MozillaThunderbird—

References

Timeline

Published
Dec 9, 2025
Last modified
Oct 7, 2026
NVD status
Modified

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CVE-2025-14322: High severity, CVSS 8.0 | Vulnix