Adobe InCopy Out-of-Bounds Write Vulnerability Allowing Arbitrary Code Execution

A vulnerability allowing out-of-bounds write has been identified in Adobe InCopy versions 20.4, 19.5.4 and earlier. This vulnerability could lead to arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file.

Impact

Exploitation of this vulnerability could result in arbitrary code execution on the affected system.

Remediation

Users are advised to update to InCopy version 20.5 or 19.5.5. For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages.