glibc Security Issue in Red Hat Enterprise Linux

Red Hat Product Security is aware of a security issue involving the glibc package shipped with Red Hat Enterprise Linux versions 6 and 7. A stack-based buffer overflow was found in libresolv in the code which performs dual A/AAAA DNS queries. A remote attacker could create specially crafted DNS responses which could cause libresolv to crash or potentially execute code with the permissions of the user running the library.

Refer to the official Red Hat vulnerability response page for full details and the necessary software updates.