Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
https://hg.mozilla.org/projects/nss/rev/55ea60effd0d
https://access.redhat.com/errata/RHSA-2017:1712
https://access.redhat.com/errata/RHSA-2017:1567
https://access.redhat.com/errata/RHSA-2017:1365
https://access.redhat.com/errata/RHSA-2017:1364
http://www.securitytracker.com/id/1038579
http://www.securityfocus.com/bid/98744
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html