An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "iBooks" component. It allows attackers to conduct sandbox-escape attacks or cause a denial of service (memory corruption) via a crafted app.
https://support.apple.com/HT207797
http://www.securitytracker.com/id/1038484
Source: Mitre, NVD
Published: 2017-05-22
Updated: 2017-07-08
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High