CVE-2023-21594: 
Adobe InCopy vulnerability analysis and mitigation

Adobe InCopy versions 18.0 (and earlier) and 17.4 (and earlier) are affected by a Heap-based Buffer Overflow vulnerability identified as CVE-2023-21594. The vulnerability was discovered and disclosed in January 2023, affecting Adobe InCopy software on both Windows and macOS platforms (NVD).

The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122) that could lead to arbitrary code execution in the context of the current user. The vulnerability has received a CVSS v3.1 base score of 7.8 (HIGH), with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Exploitation requires user interaction, specifically opening a malicious file (NVD).

If successfully exploited, this vulnerability could result in arbitrary code execution in the context of the current user. This means an attacker could potentially execute malicious code with the same privileges as the user running the Adobe InCopy application (NVD).

Adobe has addressed this vulnerability in updated versions of InCopy. Users should update their Adobe InCopy installations to versions newer than 18.0 and 17.4 to mitigate this vulnerability (Adobe Advisory).