The vulnerability was discovered and reported by security researcher Kafeine.
The vulnerability was used in attacks against older versions of Flash Player.
Vulnerable component: Adobe Flash Player
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:F/RL:O/RC:C
CWE-ID: CWE-401 - Improper Release of Memory Before Removing Last Reference ('Memory Leak')
The vulnerability allows a remote attacker to circumvent memory address randomization on the target system.
The weakness exists due to memory leak error. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption, bypass memory address randomization on the Windows platform and obtain sensitive information.
Note: the vulnerability was being actively exploited.
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