https://www.infoq.com InfoQ malware News feed https://www.infoq.com/news/2026/02/whatsapp-rust-media-malware/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=malware-news <img src="https://res.infoq.com/news/2026/02/whatsapp-rust-media-malware/en/headerimage/generatedHeaderImage-1770384331851.jpg"/><p>WhatsApp has rewritten its media handling library in Rust, replacing 160,000 lines of C++ with 90,000 lines of memory-safe code for 3 billion devices. The rollout, part of a system called Kaleidoscope, uses differential fuzzing to ensure bug-for-bug compatibility. The move mirrors a decade-long industry shift toward memory safety, tracing back to Mozilla's first Rust MP4 parser deployment in 2016.</p> <i>By Steef-Jan Wiggers</i> Security Memory Leaks Rust Mobile Security Application Security malware iOS Android Development Architecture & Design news Thu, 12 Feb 2026 10:24:00 GMT https://www.infoq.com/news/2026/02/whatsapp-rust-media-malware/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=malware-news Steef-Jan Wiggers 2026-02-12T10:24:00Z /news/2026/02/whatsapp-rust-media-malware/en