CVE-2016-4271

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-09-14 · updated 2026-06-17

Description

Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to bypass intended access restrictions and obtain sensitive information via unspecified vectors, a different vulnerability than CVE-2016-4277 and CVE-2016-4278, aka a "local-with-filesystem Flash sandbox bypass" issue.

Affected products

Adobe Flash Player 24.0.0.186 and earlier.: through 11.2.202.632; through 22.0.0.211; through 18.0.0.366
Adobe Flash Player Desktop Runtime: through 22.0.0.211

References

http://lab.truel.it/flash-sandbox-bypass/
http://rhn.redhat.com/errata/RHSA-2016-1865.html
http://www.securitytracker.com/id/1036791
https://blog.bjornweb.nl/2017/02/flash-bypassing-local-sandbox-data-exfiltration-credentials-leak/
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html
https://security.gentoo.org/glsa/201610-10
http://lab.truel.it/flash-sandbox-bypass/
http://rhn.redhat.com/errata/RHSA-2016-1865.html
http://www.securitytracker.com/id/1036791
https://blog.bjornweb.nl/2017/02/flash-bypassing-local-sandbox-data-exfiltration-credentials-leak/
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html
https://security.gentoo.org/glsa/201610-10

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