The glibc packages provide the standard C libraries , POSIX thread libraries , standard math libraries , and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix: * glibc: Off-by-one buffer overflow/underflow in getcwd * glibc: Stack-based buffer overflow in svcunix_create via long pathnames * glibc: Stack-based buffer overflow in sunrpc clnt_create via a long pathname For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.