CVE-2025-61824 is a heap-based buffer overflow vulnerability identified in Adobe InDesign Desktop versions 20.5, 19.5.5, and earlier. The vulnerability arises from improper handling of memory buffers on the heap, allowing an attacker to overwrite memory regions beyond the allocated buffer. This memory corruption can lead to arbitrary code execution within the context of the current user. The attack vector requires user interaction, specifically the opening of a maliciously crafted InDesign file, which triggers the overflow. The vulnerability does not require prior authentication, making it accessible to remote attackers who can convince users to open malicious files. The CVSS v3.1 base score is 7.8, indicating high severity, with metrics AV:L (local attack vector), AC:L (low complexity), PR:N (no privileges required), UI:R (user interaction required), and full impact on confidentiality, integrity, and availability. No patches or updates have been released at the time of this report, and no exploits have been observed in the wild. The flaw is categorized under CWE-122, which is a common weakness related to heap-based buffer overflows. Given Adobe InDesign's widespread use in creative and publishing industries, this vulnerability poses a significant risk if exploited.

The exploitation of CVE-2025-61824 can lead to arbitrary code execution with the privileges of the current user, potentially allowing attackers to install malware, steal sensitive information, or disrupt system operations. Since Adobe InDesign is widely used in creative, publishing, and marketing sectors, successful exploitation could compromise intellectual property and sensitive client data. The requirement for user interaction limits the attack vector to social engineering or phishing campaigns, but the impact remains severe due to the potential for full system compromise. Organizations relying on Adobe InDesign for critical workflows may experience operational disruptions, data breaches, and reputational damage. The vulnerability affects confidentiality, integrity, and availability, making it a comprehensive threat. The absence of patches increases exposure time, raising the risk of future exploitation once exploit code becomes available.

Organizations should immediately implement the following measures: 1) Educate users to avoid opening InDesign files from untrusted or unknown sources to reduce the risk of triggering the vulnerability. 2) Employ email and endpoint security solutions to detect and block malicious InDesign files or suspicious attachments. 3) Use application whitelisting and sandboxing techniques to limit the execution context of Adobe InDesign and contain potential exploits. 4) Monitor systems for unusual behavior indicative of exploitation attempts, such as unexpected process launches or memory anomalies. 5) Maintain regular backups of critical data to enable recovery in case of compromise. 6) Stay informed about Adobe’s security advisories and apply patches promptly once available. 7) Consider restricting Adobe InDesign usage to trusted networks and environments to reduce exposure. 8) Implement least privilege principles to limit user permissions, minimizing the impact of code execution under user context.