Advisory Published

CVE-2023-44356: ZDI-CAN-21956: Adobe Acrobat Reader DC Font 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 CVE-2023-44356?

    CVE-2023-44356 is a vulnerability in Adobe Acrobat Reader that allows disclosure of sensitive memory through an out-of-bounds read.

  • Which versions of Adobe Acrobat Reader are affected by CVE-2023-44356?

    Adobe Acrobat Reader versions 23.006.20360 and earlier, as well as 20.005.30524 and earlier, are affected by CVE-2023-44356.

  • What is the severity of CVE-2023-44356?

    The severity of CVE-2023-44356 is rated as medium with a severity value of 5.5.

  • How can an attacker exploit CVE-2023-44356?

    An attacker can exploit CVE-2023-44356 to bypass mitigations such as ASLR and disclose sensitive memory.

  • Where can I find more information about CVE-2023-44356?

    More information about CVE-2023-44356 can be found at the following reference:


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