Fedora has released security update for glibc to fix the vulnerability.
Successful exploitation allows attacker to compromise the system.
Fedora has issued updated packages to fix this vulnerability. Updates can be installed using the yum utility, which can be downloaded from the Fedora Web site.
For more information about the vulnerability and obtaining patches, refer to the following Fedora security advisories :
Fedora 25 Update
Following are links for downloading patches to fix the vulnerabilities: