How to fix CVE-2015-7547 glibc: getaddrinfo stack-based buffer overflow

RedHat released Patch for CVE-2015-7547 glibc: getaddrinfo stack-based buffer overflow.  A stack-based buffer overflow was found in the way the libresolv library performed dual A/AAAA DNS queries. A remote attacker could create a specially crafted DNS response which could cause libresolv to crash or, potentially, execute code with the permissions of the user running the library. Note: […]