HIGH
Calendar in Apple iOS before 9.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference and device restart) via a crafted invitation.
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
http://www.securityfocus.com/bid/91825
Source: MITRE
Published: 2016-07-22
Updated: 2017-09-01
Type: CWE-476
Base Score: 7.1
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Impact Score: 6.9
Exploitability Score: 8.6
Severity: HIGH
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM