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RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs because a ZIP archive may include a benign file (such as an ordinary .JPG file) and also a folder that has the same name as the benign file, and the contents of the folder (which may include executable content) are processed during an attempt to access only the benign file. This was exploited in the wild in April through October 2023.
Use CWE-345, Rarlab vendor hub and Winrar product page to widen CVE-2023-38831 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-8088, CVE-2025-6218 and CVE-2023-40477 for nearby disclosures in the same product family.