critical
9.3
CWE
416
Advisory Published
Updated
Advisory Published

CVE-2021-44705: Adobe Acrobat Reader DC JP2 File Parsing Use-After-Free Information Disclosure Vulnerability

First published: Tue Jan 11 2022(Updated: )

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions 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 Reader Notification Manager
Adobe Acrobat Reader DC>=15.008.20082<=21.007.20099
Adobe Acrobat Reader>=15.008.20082<=21.007.20099
Microsoft Windows Operating System
Adobe Acrobat Reader>=17.011.30059<=17.011.30204
Adobe Acrobat Reader>=20.001.30005<=20.004.30017
Adobe Acrobat Reader Notification Manager>=17.011.30059<=17.011.30204
Adobe Acrobat Reader Notification Manager>=20.001.30005<=20.004.30017
macOS

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-44705?

    CVE-2021-44705 is categorized as a critical severity vulnerability due to its potential for arbitrary code execution.

  • How do I fix CVE-2021-44705?

    To fix CVE-2021-44705, update Adobe Acrobat Reader DC to version 21.007.20102 or later, and ensure all installed versions of Adobe Acrobat are also up to date.

  • Which versions of Adobe Acrobat are affected by CVE-2021-44705?

    CVE-2021-44705 affects Adobe Acrobat Reader DC version 21.007.20099 and earlier, Adobe Acrobat version 20.004.30017 and earlier, and version 17.011.30204 and earlier.

  • What type of vulnerability is CVE-2021-44705?

    CVE-2021-44705 is a use-after-free vulnerability that occurs during the processing of format event actions.

  • Can CVE-2021-44705 be exploited remotely?

    Yes, CVE-2021-44705 can potentially be exploited remotely if a victim opens a specially crafted PDF file.

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