A vulnerability was found in libreswan 3.17. IKEv2 bogus proposal lacking DH transform causes pluto daemon to restart.
Acknowledgments: Name: Paul Wouters (Red Hat)
Note that 3.17 has not been shipped in RHEL, only Fedora
This bug can be closed.
External references: https://libreswan.org/security/CVE-2016-5391/CVE-2016-5391.txt