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CVE-2025-14322

Published: Dec 9, 2025

Modified: Apr 13, 2026

PUBLISHED

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.

Vendor	Product	Versions
Mozilla	Firefox	unaffected `115.31 - <= 115.` unaffected `140.6 - <= 140.` unaffected `146 - <= *`
Mozilla	Thunderbird	unaffected `140.6 - <= 140.` unaffected `146 - <= `

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1996473

https://www.mozilla.org/security/advisories/mfsa2025-92/

https://www.mozilla.org/security/advisories/mfsa2025-93/

https://www.mozilla.org/security/advisories/mfsa2025-94/

https://www.mozilla.org/security/advisories/mfsa2025-95/

https://www.mozilla.org/security/advisories/mfsa2025-96/

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