The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
The kernel in Apple iOS before 7 allows remote attackers to cause a denial of service (assertion failure and device restart) via an invalid packet fragment.
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to 6.1.4 (inclusive)