Privilege Escalation in Firefox CanvasWebGL

Executive Summary

This is a privilege escalation vulnerability caused by incorrect boundary conditions in the Graphics: CanvasWebGL component of Firefox browsers. It allows attackers to gain elevated privileges beyond normal user access.

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Detection Guidance

Detection requires checking Firefox version against patched releases. For Firefox, run: firefox --version. For ESR versions, check: firefox --version | grep ESR. Compare against Firefox 154, ESR 115.39, ESR 140.14, or ESR 153.1.

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Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data, install malware, or take control of your system. Users of affected Firefox versions are at risk until they update to patched versions.

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Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves privilege escalation in the Graphics: CanvasWebGL component, which could potentially lead to unauthorized access or data exposure, but no explicit compliance implications are mentioned.

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Mitigation Strategies

Update Firefox to version 154 or Firefox ESR to 115.39, 140.14, or 153.1. Disable CanvasWebGL if updates are not immediately possible by setting gfx.canvas.accelerated to false in about:config.

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