Firefox 147 Released to Fix 16 Vulnerabilities Including Arbitrary Code Execution Risks

First seen 15 Jan 2026, 14:53 UTC • Cyberpress

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Mozilla released Firefox 147 on January 13, 2026, addressing 16 security vulnerabilities. The update includes critical fixes for high-impact flaws across components such as graphics, JavaScript, and networking, specifically targeting multiple sandbox escapes that could allow arbitrary code execution if exploited.

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Firefox 147 Released to Fix 16 Vulnerabilities Including Arbitrary Code Execution Risks

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