Vulnerable component: Adobe Flash Player
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-121 - Stack-based Buffer Overflow
The vulnerability allows a remote attacker to compromise target system.
The vulnerability exists due to a stack-based buffer overflow when processing .swf files. A remote attacker can create a specially crafted .swf file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow the attacker to compromise vulnerable system.
Note: this vulnerability is being actively exploited in the wild.