CVE-2016-7855: Adobe Flash Player Use-After-Free Vulnerability
First published: Tue Nov 01 2016(Updated: )
Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.
Credit: psirt@adobe.com psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Macromedia Flash Player | ||
| All of | ||
| Macromedia Flash Player | <=23.0.0.185 | |
| Any of | ||
| Apple iOS and macOS | ||
| Chrome OS | ||
| Linux Kernel | ||
| Microsoft Windows Operating System | ||
| All of | ||
| Any of | ||
| Macromedia Flash Player | <=23.0.0.185 | |
| Macromedia Flash Player | <=23.0.0.185 | |
| Any of | ||
| Windows 10 | ||
| Windows 10 | =1511 | |
| Windows 10 | =1607 | |
| Microsoft Windows | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| All of | ||
| Macromedia Flash Player | <=11.2.202.637 | |
| Linux Kernel | ||
| All of | ||
| Macromedia Flash Player | <=23.0.0.185 | |
| Any of | ||
| Apple iOS and macOS | ||
| Microsoft Windows Operating System | ||
| Red Hat Enterprise Linux Desktop | =5.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Server | =5.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Workstation | =5.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Macromedia Flash Player | <=23.0.0.185 | |
| Apple iOS and macOS | ||
| Chrome OS | ||
| Linux Kernel | ||
| Microsoft Windows Operating System | ||
| Macromedia Flash Player | <=23.0.0.185 | |
| Macromedia Flash Player | <=23.0.0.185 | |
| Windows 10 | ||
| Windows 10 | =1511 | |
| Windows 10 | =1607 | |
| Microsoft Windows | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Macromedia Flash Player | <=11.2.202.637 | |
| Macromedia Flash Player | <=23.0.0.185 |
Remedy
The impacted product is end-of-life and should be disconnected if still in use.
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2016-2119.html
- http://www.securityfocus.com/bid/93861
- http://www.securitytracker.com/id/1037111
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.html
- https://security.gentoo.org/glsa/201610-10
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-7855
Frequently Asked Questions
What is the severity of CVE-2016-7855?
CVE-2016-7855 is classified as a critical vulnerability due to its ability to allow remote code execution.
How do I fix CVE-2016-7855?
To fix CVE-2016-7855, update Adobe Flash Player to version 23.0.0.205 or later.
What versions of Adobe Flash Player are affected by CVE-2016-7855?
CVE-2016-7855 affects Adobe Flash Player versions before 23.0.0.205 on Windows and macOS and versions before 11.2.202.643 on Linux.
Can CVE-2016-7855 be exploited remotely?
Yes, CVE-2016-7855 can be exploited remotely, allowing attackers to execute arbitrary code.
What kind of vulnerability is CVE-2016-7855?
CVE-2016-7855 is a use-after-free vulnerability, which occurs when memory that is no longer needed is accessed.
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