The main PHP.net site has announced the release of the latest version in the PHP 7.1.x series - PHP 7.1.19.
The PHP development team announces the immediate availability of PHP 7.1.19. All PHP 7.1 users are encouraged to upgrade to this version.
This is a bugfix release with fixes in the CLI server handling, OpenSSL functionality and a fix for a segfault in the SPL. You can see the full list of changes (and related bugs) in the Changelog for this release. As always, the release can be downloaded from the main downloads page or windows.php.net for the Windows binaries.