CVE-2026-16393
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Incorrect Boundary Conditions in Firefox WebGPU Component

Publication date: 2026-07-21

Last updated on: 2026-07-24

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

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Meta Information

Published
2026-07-21
Last Modified
2026-07-24
Generated
2026-08-10
AI Q&A
2026-07-21
EPSS Evaluated
2026-08-09
NVD
CVE-2026-16393
EUVD
EUVD-2026-46230

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla thunderbird to 153.0 (exc)
mozilla firefox to 153.0.0 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

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Executive Summary

This vulnerability involves incorrect boundary conditions in the Graphics: WebGPU component of Firefox. It was addressed in Firefox version 153.

Impact Analysis

An attacker could exploit this flaw to cause unexpected behavior or crashes in the WebGPU component of Firefox, potentially leading to denial of service or other unintended actions.

Mitigation Strategies

Update Firefox to version 153 or later to address the Graphics: WebGPU boundary condition vulnerability.

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