Firefox WebGPU Sandbox Escape via Boundary Check Failure
CVE-2025-13023 Published on November 11, 2025
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 145 and Thunderbird < 145.
Vulnerability Analysis
CVE-2025-13023 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Improper Check or Handling of Exceptional Conditions
The software does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the software.
Products Associated with CVE-2025-13023
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Affected Versions
Mozilla Firefox:- Version unspecified and below 145 is affected.
- Version unspecified and below 145 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.