CVE-2016-4121: Use After Free
First published: Thu Jun 16 2016(Updated: )
Use-after-free vulnerability in Adobe Flash Player before 18.0.0.352 and 19.x through 21.x before 21.0.0.242 on Windows and OS X and before 11.2.202.621 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1097, CVE-2016-1106, CVE-2016-1107, CVE-2016-1108, CVE-2016-1109, CVE-2016-1110, CVE-2016-4108, and CVE-2016-4110.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | ||
| Microsoft Windows 8.1 | ||
| Macromedia Flash Player | <=21.0.0.241 | |
| Macromedia Flash Player | <=21.0.0.241 | |
| Macromedia Flash Player | <=18.0.0.343 | |
| Apple iOS and macOS | ||
| Microsoft Windows | ||
| Adobe AIR SDK & Compiler | <=21.0.0.198 | |
| iStyle @cosme iPhone OS | ||
| Android | ||
| Adobe AIR | <=21.0.0.198 | |
| Macromedia Flash Player | <=11.2.202.616 | |
| Linux Kernel | ||
| Macromedia Flash Player | <=21.0.0.216 | |
| Chrome OS | ||
| Adobe Flash Player | <=21.0.0.226 | |
| Adobe AIR | <=21.0.0.198 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-4121?
CVE-2016-4121 is considered a critical vulnerability due to its potential to allow attackers to execute arbitrary code remotely.
How do I fix CVE-2016-4121?
To mitigate CVE-2016-4121, users should update Adobe Flash Player to version 21.0.0.242 or later.
What platforms are affected by CVE-2016-4121?
CVE-2016-4121 affects Adobe Flash Player versions before 18.0.0.352 and 19.x through 21.x before 21.0.0.242 on Windows, OS X, and Linux.
What type of vulnerability is CVE-2016-4121?
CVE-2016-4121 is classified as a use-after-free vulnerability.
What can an attacker do by exploiting CVE-2016-4121?
By exploiting CVE-2016-4121, an attacker can execute arbitrary code on the affected system.
- agent/references
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- agent/software-canonical-lookup-request
- vendor/microsoft
- canonical/microsoft windows 10
- canonical/microsoft windows 8.1
- vendor/adobe
- canonical/macromedia flash player
- version/macromedia flash player/21.0.0.241
- version/macromedia flash player/18.0.0.343
- vendor/apple
- canonical/apple ios and macos
- canonical/microsoft windows
- canonical/adobe air sdk & compiler
- version/adobe air sdk & compiler/21.0.0.198
- canonical/istyle @cosme iphone os
- vendor/google
- canonical/android
- canonical/adobe air
- version/adobe air/21.0.0.198
- version/macromedia flash player/11.2.202.616
- vendor/linux
- canonical/linux kernel
- version/macromedia flash player/21.0.0.216
- canonical/chrome os
- canonical/adobe flash player
- version/adobe flash player/21.0.0.226