critical
9.3
CWE
125
Advisory Published
Updated

CVE-2021-28565: Adobe Acrobat Reader out-of-bounds read could lead to information exposure

First published: Thu Sep 02 2021(Updated: )

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Out-of-bounds Read vulnerability in the PDFLibTool component. An unauthenticated attacker could leverage this vulnerability to achieve 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 DC>=15.008.20082<=21.001.20150
Adobe Acrobat Reader>=15.008.20082<=21.001.20150
Microsoft Windows Operating System
Adobe Acrobat Reader>=17.011.30059<=17.011.30194
Adobe Acrobat Reader>=20.001.30005<=20.001.30020
Adobe Acrobat Reader Notification Manager>=17.011.30059<=17.011.30194
Adobe Acrobat Reader Notification Manager>=20.001.30005<=20.001.30020
macOS

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-28565?

    CVE-2021-28565 is categorized as a medium severity vulnerability due to its potential for exploitation by unauthenticated attackers.

  • How do I fix CVE-2021-28565?

    To fix CVE-2021-28565, update Adobe Acrobat DC and Adobe Acrobat Reader DC to the latest version, specifically versions 2021.001.20151 or later.

  • Which versions of Adobe Acrobat are affected by CVE-2021-28565?

    CVE-2021-28565 affects Adobe Acrobat Reader DC versions up to 2021.001.20150, 2020.001.30020, and 2017.011.30194.

  • What type of vulnerability is CVE-2021-28565?

    CVE-2021-28565 is an Out-of-bounds Read vulnerability that can lead to information disclosure.

  • Can CVE-2021-28565 be exploited remotely?

    Yes, CVE-2021-28565 can be exploited by an unauthenticated remote attacker to potentially access memory content.

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