CVE-2025-54209: 
Adobe InDesign vulnerability analysis and mitigation

Adobe InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability identified as CVE-2025-54209. 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).

The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122). The CVSS v3.1 base score is 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. This indicates that the vulnerability requires local access, low attack complexity, no privileges, and user interaction, while potentially impacting confidentiality, integrity, and availability at high levels (NVD).

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).

Adobe has released security updates to address this vulnerability. Users are advised to update to versions newer than 20.4 for the 20.x series and versions newer than 19.5.4 for the 19.x series (ASEC).