What is CVE-2023-21595?

CVE-2023-21595 is an out-of-bounds write vulnerability in Adobe InCopy versions 18.0 (and earlier) and 17.4 (and earlier).

How does CVE-2023-21595 impact Adobe InCopy?

CVE-2023-21595 could result in arbitrary code execution in the context of the current user if a victim opens a malicious file in Adobe InCopy.

What software versions are affected by CVE-2023-21595?

Adobe InCopy versions 18.0 (and earlier) and 17.4 (and earlier) are affected by CVE-2023-21595.

What is the severity of CVE-2023-21595?

CVE-2023-21595 has a severity rating of 7.8 (High).

How do I fix CVE-2023-21595?

To fix CVE-2023-21595, users should update Adobe InCopy to a version that is not affected by the vulnerability.

Vulnerability/
CVE-2023-21595

high

7.8

CWE

787

13/1/2023

2/8/2024

CVE-2023-21595: Adobe InCopy Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

First published: Fri Jan 13 2023(Updated: )

Adobe InCopy versions 18.0 (and earlier), 17.4 (and earlier) are affected by an out-of-bounds write 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.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe Incopy	>=17.0<=17.4
Adobe Incopy	=18.0
Apple macOS
Microsoft Windows

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Reference Links

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

Frequently Asked Questions

What is CVE-2023-21595?
CVE-2023-21595 is an out-of-bounds write vulnerability in Adobe InCopy versions 18.0 (and earlier) and 17.4 (and earlier).
How does CVE-2023-21595 impact Adobe InCopy?
CVE-2023-21595 could result in arbitrary code execution in the context of the current user if a victim opens a malicious file in Adobe InCopy.
What software versions are affected by CVE-2023-21595?
Adobe InCopy versions 18.0 (and earlier) and 17.4 (and earlier) are affected by CVE-2023-21595.
What is the severity of CVE-2023-21595?
CVE-2023-21595 has a severity rating of 7.8 (High).
How do I fix CVE-2023-21595?
To fix CVE-2023-21595, users should update Adobe InCopy to a version that is not affected by the vulnerability.

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vendor/adobe
canonical/adobe incopy
version/adobe incopy/17.0
version/adobe incopy/17.4
version/adobe incopy/18.0
vendor/apple
canonical/apple macos
vendor/microsoft
canonical/microsoft windows

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