Advisory Published

CVE-2023-44340: ZDI-CAN-21424: Adobe Acrobat Reader DC PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Thu Nov 16 2023(Updated: )

Adobe Acrobat Reader versions 23.006.20360 (and earlier) and 20.005.30524 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.


Affected SoftwareAffected VersionHow to fix
Adobe Acrobat Dc>=15.008.20082<23.006.20380
Adobe Acrobat Reader DC>=15.008.20082<23.006.20380
Apple macOS
Microsoft Windows
Adobe Acrobat Reader>=20.001.30005<=20.005.30539
Adobe Acrobat Reader>=20.001.30005<20.005.30539

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Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2023-44340.

  • What is the severity level of CVE-2023-44340?

    The severity level of CVE-2023-44340 is medium.

  • Which software versions are affected by CVE-2023-44340?

    Adobe Acrobat Reader versions 23.006.20360 (and earlier) and 20.005.30524 (and earlier) are affected by CVE-2023-44340.

  • How can an attacker exploit CVE-2023-44340?

    An attacker can leverage CVE-2023-44340 to bypass mitigations such as ASLR and disclose sensitive memory.

  • Where can I find more information about CVE-2023-44340?

    You can find more information about CVE-2023-44340 at the following link: [link](


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