Another day, another zero-day. This time it’s CVE-2025-21043, a critical vulnerability in Android’s DNG image parser that’s been actively exploited in the wild. What makes this one particularly interesting is how it leverages an obscure feature of the DNG format—opcode lists—to achieve remote code execution. Following our previous analysis of CVE-2025-43300 and the ELEGANTBOUNCER detection framework, let’s dive into how this vulnerability works and why it matters. The Discovery ...
