High · published February 10, 2026
⚡ A single malicious file is all it takes to unleash chaos! If you’re using InDesign Desktop versions 21.1, 20.5.1, or earlier, you might be one click away from a heap-based buffer overflow that lets attackers run their own code. 🔥 Think of this vulnerability like a restaurant where a customer can slip an unauthorized dish into the kitchen's order queue. If the chef blindly accepts any order, they may end up serving something dangerous without a second thought! An attacker could exploit this vulnerability by convincing a user to open a specially crafted file, which may lead to arbitrary code execution on their machine. This means they could potentially take over your system, access sensitive information, or even wreak havoc on your files, all while you think you're just editing a document!
Think of this vulnerability like a restaurant where a customer can slip an unauthorized dish into the kitchen's order queue. If the chef blindly accepts any order, they may end up serving something dangerous without a second thought! This heap-based buffer overflow occurs when InDesign fails to properly handle certain inputs, allowing attackers to execute arbitrary code in the context of the current user. The exploitation requires user interaction, as the victim must open the malicious file themselves.
An attacker could exploit this vulnerability by convincing a user to open a specially crafted file, which may lead to arbitrary code execution on their machine. This means they could potentially take over your system, access sensitive information, or even wreak havoc on your files, all while you think you're just editing a document! To protect yourself, update InDesign to the latest version immediately, ensuring you’re running version 21.1 or later. Also, be cautious about the files you open and consider implementing security software to scan attachments before opening them. You've got this! By staying proactive, you can keep your design work safe and sound. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| adobe/indesign | < 20.5.2 | 20.5.2 |
| adobe/indesign | ≥ 21.0, < 21.2 | 21.2 |