What’s Vulnerable › Vulnerabilities

CVE-2023-21594: Adobe InCopy Font Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-13 · updated 2026-06-17
• Weakness: CWE-122

Description

Adobe InCopy versions 18.0 (and earlier), 17.4 (and earlier) are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe InCopy: from 17.0 through 17.4; 18.0

References

• https://helpx.adobe.com/security/products/incopy/apsb23-08.html
• https://helpx.adobe.com/security/products/incopy/apsb23-08.html

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