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December 9, 2025 165 mins

A devastating new React vulnerability earned a "perfect 10" for risk, letting attackers remotely run code on a million-plus servers with a single HTTP request. Find out what happened, how fast attackers moved in, and why this bug changes everything for web security.

  • France's VanityFair face a stiff fine over cookies.
  • GrapheneOS pulls out of France over coercion worries.
  • The EU adds to the pile-on over underage social media.
  • India mandates the tracking of all smartphones.
  • Apple says no.
  • India abandons its smartphone tracking mandate.
  • India requires all encrypted messaging to be SIM-tied.
  • Scattered Lapsus$ Hunters --becomes--> SLH.
  • AI demand has driven RAM pricing sky high.
  • GRC's DNS Benchmark is finished and available.
  • Cisco may talk a good game, but they're still Cisco.
  • Browsers to ask users for local network access permission.
  • React: The worst remote code exploit in a LONG time.

Show Notes - https://www.grc.com/sn/SN-1055-Notes.pdf

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to Security Now at https://twit.tv/shows/security-now.

You can submit a question to Security Now at the GRC Feedback Page.

For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

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