Use-after-free error in Adobe Flash Player for Linux and Adobe Flash Player - CVE-2014-8439
Published: January 19, 2017 / Updated: November 20, 2020
Vulnerability identifier: #VU5136
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2014-8439
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Adobe
Affected software:
Adobe Flash Player for Linux
Adobe Flash Player
Adobe Flash Player for Linux
Adobe Flash Player
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error when processing .swf files. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
The weakness exists due to use-after-free error when processing .swf files. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
How to mitigate CVE-2014-8439
Install update from vendor's website.