CVE-2025-13023

CRITICAL 9.8

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Nov 11, 2025
Last Updated	Apr 13, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

Mozilla / Thunderbird

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1992032 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-87/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-90/

Credits

Oskar L