Adobe Digital Editions 4.5.4 and earlier has an exploitable use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
https://helpx.adobe.com/security/products/Digital-Editions/apsb17-27.html
http://www.securitytracker.com/id/1039100
http://www.securityfocus.com/bid/100194
Source: Mitre, NVD
Published: 2017-08-11
Updated: 2017-08-16
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H