Hacker News on 15 December 2021

• A deep dive into an NSO zero-click iMessage exploit: Remote Code Execution
• Mess with DNS
• Tell HN: AWS appears to be down again
• Log4Shell update: second Log4j vulnerability published
• Log4jmemes.com: for those of us that need a laugh
• HTTP/3 Is Fast
• Pico CSS Framework
• Busy Simulator: Feign importance with repeating app sounds
• Apple removes references to CSAM from its child safety webpage
• How to build large-scale end-to-end encrypted group video calls