Adobe · Acrobat · CVE-2017-2961
**Name of the Vulnerable Software and Affected Versions**
Adobe Acrobat Reader versions 15.020.20042 and earlier
Adobe Acrobat Reader versions 15.006.30244 and earlier
Adobe Acrobat Reader version 11.0.18 and earlier
Adobe Acrobat versions prior to the fixed version
**Description**
The issue is related to a use-after-free vulnerability in the XFA engine, specifically tied to validation functionality. This could allow for arbitrary code execution if successfully exploited. The vulnerability is also related to memory use after it has been freed, which can be exploited by a remote attacker to execute arbitrary code, potentially related to checking functionality.
**Recommendations**
For Adobe Acrobat Reader versions 15.020.20042 and earlier, update to a version later than 15.020.20042 to resolve the issue.
For Adobe Acrobat Reader versions 15.006.30244 and earlier, update to a version later than 15.006.30244 to resolve the issue.
For Adobe Acrobat Reader version 11.0.18 and earlier, update to a version later than 11.0.18 to resolve the issue.
For Adobe Acrobat, update to the fixed version to resolve the issue.
As a temporary workaround, consider disabling the XFA engine functionality until a patch is available.