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: buffer overflow in ld.so leading to privilege escalation * glibc: Stack read overflow in getaddrinfo in no-aaaa mode * glibc: potential use-after-free in getaddrinfo * glibc: potential use-after-free in gaih_inet 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.