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Firefox 142 Debuts Local AI Link Previews as Mozilla Tightens Security and Enterprise Control

Privacy takes priority through on‑device AI features with CRLite replacing OCSP for revocation checks.

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Firefox Logo und die Zahl 142
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Overview

  • The new Link Preview shows a page snapshot with an optional locally generated bullet summary, rolling out first to English locales and requiring at least 3 GB of RAM.
  • Extension developers gain support for the wllama API, enabling large language model capabilities directly inside Firefox add-ons.
  • Mozilla’s advisory for Firefox 142 lists at least nine fixed flaws, including high‑risk CVEs that enabled a DRM component sandbox escape (CVE-2025-9179) and a Canvas2D same‑origin policy bypass (CVE-2025-9180).
  • Administrators can now centrally control whether users may share their browser screen and can lock tracking and fingerprinting protections so users cannot override them.
  • A curated recommendations feed on the New Tab page begins a staged rollout in the United States to replace Pocket’s retired service.