Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | flashplugin-nonfree | 11.2.202.643ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | flashplugin-nonfree | 11.2.202.643ubuntu0.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | flash-plugin | 11.2.202.643-1.el6_8 | RHSA-2016:2119 |
| RHEL 5 | flash-plugin | 11.2.202.643-1.el5_11 | RHSA-2016:2119 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | flash-player | 11.2.202.643-146.1 | SUSE-SU-2016:2662-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
swagatbora90/CheckFlashPlayerVersion ★ 0 · Oct 26, 2016
Check the Browser's FlashPlayer version to check if it is vulnerable to exploit CVE-2016-7855
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- RHSA-2016:2119 Red Hat Security Advisory: flash-plugin security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-SU-2016:2662-1 Security update for flash-player SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201610-10 vendor-advisory
- MS16-128 vendor-advisory
- 1037111 vdb-entry
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.html
- RHSA-2016:2119 vendor-advisory
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- 93861 vdb-entry