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CVE-2026-0878

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-0878

Severity

8.0

High

CVSS V3

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Description

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

References

Affected packages

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