Adobe Flash Player versions 25.0.0.148 and earlier have an exploitable use after free vulnerability when masking display objects. Successful exploitation could lead to arbitrary code execution.
https://helpx.adobe.com/security/products/flash-player/apsb17-15.html
http://www.securityfocus.com/bid/98347
https://security.gentoo.org/glsa/201705-12
Source: MITRE
Published: 2017-05-09
Updated: 2023-01-27
Type: CWE-416
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH