7.8
CWE
787
Advisory Published
Updated

CVE-2023-21606: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

First published: Wed Jan 18 2023(Updated: )

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (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 SoftwareAffected VersionHow to fix
Adobe Acrobat>=15.008.20082<=22.003.20282
Adobe Acrobat Reader>=15.008.20082<=22.003.20282
Microsoft Windows
Adobe Acrobat>=15.008.20082<=22.003.20281
Adobe Acrobat Reader>=15.008.20082<=22.003.20281
Apple iOS and macOS
Adobe Acrobat Reader>=20.001.30005<=20.005.30418
Adobe Acrobat Reader>=20.001.30005<=20.005.30418

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Frequently Asked Questions

  • What is the severity of CVE-2023-21606?

    CVE-2023-21606 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.

  • How do I fix CVE-2023-21606?

    To fix CVE-2023-21606, update Adobe Acrobat Reader or Acrobat DC to the latest version as provided in the security advisory.

  • What versions of Adobe Acrobat Reader are affected by CVE-2023-21606?

    CVE-2023-21606 affects Adobe Acrobat Reader versions 22.003.20282 and earlier, 22.003.20281 and earlier, and 20.005.30418 and earlier.

  • Can CVE-2023-21606 be exploited remotely?

    No, CVE-2023-21606 requires local access to a vulnerable system to exploit.

  • What kind of attack comprises CVE-2023-21606?

    CVE-2023-21606 is an out-of-bounds write vulnerability that can lead to arbitrary code execution.

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