7.8
CWE
122 119
Advisory Published
Updated

CVE-2023-21605: Adobe Acrobat Reader DC Font Parsing Heap-based Buffer Overflow Arbitrary code execution

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 a Heap-based Buffer Overflow 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-2023-21605?

    CVE-2023-21605 has a high severity level as it can lead to arbitrary code execution.

  • How do I fix CVE-2023-21605?

    To fix CVE-2023-21605, update Adobe Acrobat Reader to version 22.003.20283 or later, or Adobe Acrobat to version 20.005.30419 or later.

  • Which versions of Adobe Acrobat Reader are affected by CVE-2023-21605?

    Adobe Acrobat Reader versions up to 22.003.20282 are affected by CVE-2023-21605.

  • What kind of vulnerability is CVE-2023-21605?

    CVE-2023-21605 is a heap-based buffer overflow vulnerability.

  • What could happen if CVE-2023-21605 is exploited?

    Exploitation of CVE-2023-21605 could result in an attacker executing arbitrary code with the privileges of the current user.

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