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Vulnerability record · CVE-2016-4271 · published 14 September 2016

CVE-2016-4271: Adobe flash player vulnerability

Adobe · Flash Player

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.

6.5 CVSS 3.1 Medium EPSS 4.6% · top 8.7%
6.5CVSS 3.1 base score, v2 4.3
4.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lab.truel.it/flash-sandbox-bypass/ Broken LinkTechnical DescriptionThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1865.html Third Party Advisory
http://www.securitytracker.com/id/1036791 Broken LinkThird Party AdvisoryVDB Entry
https://blog.bjornweb.nl/2017/02/flash-bypassing-local-sandbox-data-exfiltration-credentials-leak/ ExploitThird Party Advisory
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html PatchVendor Advisory
https://security.gentoo.org/glsa/201610-10 Third Party Advisory
http://lab.truel.it/flash-sandbox-bypass/ Broken LinkTechnical DescriptionThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1865.html Third Party Advisory
http://www.securitytracker.com/id/1036791 Broken LinkThird Party AdvisoryVDB Entry
https://blog.bjornweb.nl/2017/02/flash-bypassing-local-sandbox-data-exfiltration-credentials-leak/ ExploitThird Party Advisory
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html PatchVendor Advisory
https://security.gentoo.org/glsa/201610-10 Third Party Advisory

Track CVE-2016-4271 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-4171Adobe Flash Player unspecified remote code execution flawCVE-2016-4171 is an unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier that allows remote attackers to execute arbitrary code thr…KEVEPSS 20%analysed9.8CVE-2016-4117Adobe Flash Player unspecified vectors allow arbitrary code executionAdobe Flash Player 21.0.0.226 and earlier contains a critical flaw that lets remote attackers execute arbitrary code through unspecified vectors. Ado…KEVEPSS 94%analysed9.8CVE-2016-1019Adobe Flash Player memory corruption allows code executionAdobe Flash Player 21.0.0.197 and earlier contains an unspecified memory corruption flaw that can crash the application or allow arbitrary code execu…KEVEPSS 22%analysed9.8CVE-2015-5123Adobe Flash Player ActionScript 3 BitmapData use-after-freeAdobe Flash Player contains a use-after-free in the ActionScript 3 BitmapData class, triggered by crafted Flash content that overrides a valueOf func…KEVEPSS 19%analysed9.8CVE-2015-5122Adobe Flash Player ActionScript 3 Use-After-Free in DisplayObjectA use-after-free flaw in the DisplayObject class of Adobe Flash Player's ActionScript 3 implementation is triggered by crafted Flash content that mis…KEVEPSS 94%analysed9.8CVE-2015-5119Adobe Flash Player ActionScript 3 ByteArray use-after-freeA use-after-free flaw exists in the ByteArray class of the ActionScript 3 implementation in Adobe Flash Player. Crafted Flash content that overrides …KEVEPSS 99%analysed9.8CVE-2015-3113Adobe Flash Player heap buffer overflow allows remote code executionAdobe Flash Player contains a heap-based buffer overflow (CWE-122/CWE-787) reachable through unspecified vectors. It affects Flash Player before 13.0…KEVEPSS 100%analysed9.8CVE-2015-3043Adobe Flash Player memory corruption allows arbitrary code executionAdobe Flash Player contains an out-of-bounds write (CWE-787) that corrupts memory and can lead to arbitrary code execution or a denial of service. Th…KEVEPSS 74%analysed

Source: NIST National Vulnerability Database (record CVE-2016-4271), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.