CVE-2017-16393: Use After Free
An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript engine. The mismatch between an old and a new object can provide an attacker with unintended memory access -- potentially leading to code corruption, control-flow hijack, or an information leak attack. Successful exploitation could lead to arbitrary code execution.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2017-16393?
CVE-2017-16393 is considered a critical vulnerability due to the potential for remote code execution.
How do I fix CVE-2017-16393?
To fix CVE-2017-16393, update Adobe Acrobat and Reader to the latest version available.
What types of Adobe products are affected by CVE-2017-16393?
CVE-2017-16393 affects multiple versions of Adobe Acrobat and Reader, including versions 11.0.22 and earlier, along with various DC and Classic versions.
What is a use after free vulnerability in the context of CVE-2017-16393?
A use after free vulnerability occurs when a program continues to use a memory pointer after the memory has been freed, potentially leading to arbitrary code execution.
Is there any workaround for CVE-2017-16393 if I cannot update immediately?
As a temporary workaround for CVE-2017-16393, consider disabling JavaScript in Adobe Acrobat and Reader until a patch can be applied.