c-ares — Vulnerabilities & Security Advisories 7

c-ares is a C library for asynchronous DNS requests, widely used in applications requiring non-blocking DNS resolution. Historically, vulnerabilities have included remote code execution, buffer overflows, and denial-of-service flaws, often stemming from improper input validation or memory handling. Security characteristics show a pattern of issues in parsing DNS responses and handling crafted packets. While no major public incidents have been documented, the 7 CVEs highlight ongoing risks in memory management and parsing logic. Developers should ensure proper input sanitization and keep implementations updated to mitigate potential exploitation through malformed DNS responses or network attacks.