CVE-2025-54219: 
Adobe InCopy vulnerability analysis and mitigation

Adobe InCopy versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability identified as CVE-2025-54219. The vulnerability was disclosed on August 12, 2025, and affects both Windows and macOS operating systems. This security issue requires user interaction, specifically opening a malicious file, to be exploited (NVD Database).

The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122) with a CVSS v3.1 Base Score of 7.8 (HIGH). The vulnerability's CVSS vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local access vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability (NVD Database).

If successfully exploited, this vulnerability could result in arbitrary code execution in the context of the current user. The high CVSS score indicates severe potential impacts on system confidentiality, integrity, and availability (NVD Database).

Adobe has released security updates to address this vulnerability. Users are advised to update their Adobe InCopy installations to versions newer than 20.4 and 19.5.4 (ASEC Advisory).