CVE-2020-25681

CVE-2020-25681 is a heap-based buffer overflow vulnerability in dnsmasq versions prior to 2.83, affecting various Debian and Fedora distributions. An attacker can exploit this flaw by forging DNS replies, potentially leading to arbitrary code execution, data confidentiality and integrity compromise, and system unavailability. With a CVSS score of 8.1 (HIGH), exploitation requires high attack complexity but no user interaction. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.