Description
Adobe Flash Player has an exploitable memory corruption vulnerability in the MP4 atom parser. Successful exploitation could lead to arbitrary code execution. This affects 26.0.0.151 and earlier.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Adobe Flash Player 26.0.0.151 and earlier versions | Adobe Flash Player 26.0.0.151 and earlier versions | — |
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 | 27.0.0.130ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | flashplugin-nonfree | 27.0.0.130ubuntu0.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | flash-plugin | 27.0.0.130-1.el6_9 | RHSA-2017:2702 |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Adobe Flash - Out-of-Bounds Read in applyToRange EDB-42783 · dos · Sep 25, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- RHSA-2017:2702 Red Hat Security Advisory: flash-plugin security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
References
- http://packetstormsecurity.com/files/144332/Adobe-Flash-appleToRange-Out-Of-Bounds-Read.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1323
- 100716 vdb-entry
- https://www.youtube.com/watch?v=6iZnIQbRf5M
- GLSA-201709-16 vendor-advisory
- 42783 exploit
- https://helpx.adobe.com/security/products/flash-player/apsb17-28.html
- RHSA-2017:2702 vendor-advisory
- 1039314 vdb-entry