PHP is vulnerable to Cross-site scripting (XSS). It is due to a flaw in Apache2 component via body of ‘Transfer-Encoding: chunked’ request.
php.net/ChangeLog-5.php
php.net/ChangeLog-7.php
access.redhat.com/errata/RHSA-2019:2519
access.redhat.com/security/updates/classification/#moderate
bugs.php.net/bug.php?id=76582
github.com/php/php-src/commit/23b057742e3cf199612fa8050ae86cae675e214e
lists.debian.org/debian-lts-announce/2018/09/msg00020.html
security.gentoo.org/glsa/201812-01
security.netapp.com/advisory/ntap-20180924-0001/
www.debian.org/security/2018/dsa-4353