Sandbox Escape in Firefox DOM Core & HTML

Executive Summary

This is a sandbox escape vulnerability in Firefox's DOM and HTML components. It allows malicious code to break out of the browser's security sandbox, potentially gaining unauthorized access to system resources or other browser processes.

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Detection Guidance

This vulnerability is a sandbox escape in Firefox's DOM and HTML components, fixed in specific versions. To detect it, check your Firefox version against the patched releases (Firefox 156, ESR 115.41, ESR 140.16, ESR 153.3). If your version is older, the system is vulnerable. Use commands like 'firefox --version' or check installed packages via package managers (e.g., 'apt list --installed | grep firefox' for Debian/Ubuntu).

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Impact Analysis

If exploited, this vulnerability could allow attackers to run arbitrary code on your system, steal sensitive data, install malware, or perform actions as if they were you. It compromises the security isolation provided by the browser sandbox.

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Compliance Impact

This vulnerability is a sandbox escape in Firefox's DOM and HTML components, which could allow malicious code to bypass security boundaries. Such escapes may lead to unauthorized data access or execution, potentially violating data protection requirements under GDPR or HIPAA if exploited. However, specific compliance impacts depend on deployment context and mitigations in place.

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Mitigation Strategies

Update Firefox to version 156 or later, Firefox ESR to version 115.41 or later, Firefox ESR to version 140.16 or later, or Firefox ESR to version 153.3 or later to address the sandbox escape vulnerability in the DOM: Core & HTML component.

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