A study published ahead of NDSS 2025 revealed a critical vulnerability in China’s Great Firewall (GFW) DNS injection subsystem, called Wallbleed, which allowed sensitive memory data leaks for over two years before being patched in March 2024. The flaw exposed up to 125 bytes of memory per request from censorship middleboxes, offering rare insights into […]
The post Wallbleed Exposes Memory Vulnerability in China’s Great Firewall DNS System appeared first on Cyber Security News.
This article has been indexed from Cyber Security News