CVE-2023-26420: ZDI-CAN-20227: Adobe Acrobat Reader DC AcroForm addField Use-After-Free Remote Code Execution Vulnerability
First published: Wed Apr 12 2023(Updated: )
Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by a Use After Free 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 Acrobat Reader | >=20.001.3005<=20.005.30441 | |
| Adobe Acrobat Dc | >=15.008.20082<=23.001.20093 | |
| Adobe Acrobat Reader | >=20.001.3005<=20.005.30441 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=23.001.20093 | |
| Apple macOS | ||
| Microsoft Windows |
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Frequently Asked Questions
What is the severity of CVE-2023-26420?
The severity of CVE-2023-26420 is high with a CVSS score of 7.8.
Which versions of Adobe Acrobat Reader are affected by CVE-2023-26420?
Adobe Acrobat Reader versions 20.005.30441 and earlier, as well as 23.001.20093 and earlier, are affected by CVE-2023-26420.
What is the vulnerability in Adobe Acrobat Reader versions affected by CVE-2023-26420?
The vulnerability in affected versions of Adobe Acrobat Reader is a Use After Free vulnerability that can result in arbitrary code execution.
How can CVE-2023-26420 be exploited?
Exploitation of CVE-2023-26420 requires user interaction, where a victim must open a malicious PDF file.
Is Apple macOS or Microsoft Windows affected by CVE-2023-26420?
No, Apple macOS and Microsoft Windows are not affected by CVE-2023-26420.
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