Versions mentioned in the description apply to the upstream
Remediation section below for
Amzn:2 relevant versions.
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2018-19591: 1653993: CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/unix/sysv/linux/if_index.c In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.
glibc-langpack-en to version 2.26-32.amzn2.0.1 or higher.