CVE-2025-54220: 
Adobe InCopy vulnerability analysis and mitigation

A Heap-based Buffer Overflow vulnerability (CVE-2025-54220) was discovered in Adobe InCopy, affecting versions 20.4, 19.5.4 and earlier. The vulnerability was disclosed on August 12, 2025, and could potentially lead to arbitrary code execution in the context of the current user. The affected systems include both Windows and macOS operating systems running the vulnerable versions of InCopy (Adobe Advisory).

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 attack vector is Local (AV:L), with Low attack complexity (AC:L), requiring no privileges (PR:N) but needs user interaction (UI:R). The scope is Unchanged (S:U), with High impact on Confidentiality (C:H), Integrity (I:H), and Availability (A:H) (Adobe Advisory, NVD).

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

Adobe has released security updates to address this vulnerability. Users are advised to update to the latest version of InCopy. The vulnerability affects versions up to (excluding) 19.5.5 and versions from (including) 20.0 up to (excluding) 20.5 (NVD, ASEC).