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Vulnerabilities & PatchesEmerging1 sourceAug 19, 2026 · 15:25via CyberInsider

Firefox 154 blocks silent WebSocket access to local network devices

Brief

Mozilla has released Firefox 154 with expanded protections against websites connecting to devices on local networks, new AI-assisted tab organization, and support for NVIDIA GeForce NOW on Windows. The latest update also addresses 58 CVE entries, including multiple high-severity memory safety, sandbox escape, and privilege-escalation vulnerabilities. Local network protections expand to WebSockets One of the …

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