In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.
https://www.tenable.com/security/tns-2019-09
https://www.nomachine.com/SU08O00185
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
https://support.apple.com/HT208221
https://security.netapp.com/advisory/ntap-20180601-0002/
https://security.gentoo.org/glsa/201710-32
https://github.com/gottburgm/Exploits/tree/master/CVE-2017-3169
https://access.redhat.com/errata/RHSA-2017:3477
https://access.redhat.com/errata/RHSA-2017:3476
https://access.redhat.com/errata/RHSA-2017:3475
https://access.redhat.com/errata/RHSA-2017:3195
https://access.redhat.com/errata/RHSA-2017:3194
https://access.redhat.com/errata/RHSA-2017:3193
https://access.redhat.com/errata/RHSA-2017:2483
https://access.redhat.com/errata/RHSA-2017:2479
https://access.redhat.com/errata/RHSA-2017:2478
http://www.securitytracker.com/id/1038711
http://www.securityfocus.com/bid/99134
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html