CVE-2025-21158

Summary

CVE-2025-21158 is a newly disclosed vulnerability affecting Adobe InDesign Desktop versions ID20.0, ID19.5.1, and older. This issue revolves around an Integer Underflow vulnerability, where incorrect handling of integer values can lead to arbitrary code execution. The flaw can be exploited when a user opens a specially crafted file, granting attackers the ability to execute malicious code with the privileges of the current user. This vulnerability poses a significant risk to users who handle untrusted files in InDesign.

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