8.8
CWE
416
Advisory Published
Updated

CVE-2018-4892: Use After Free

First published: Tue Feb 27 2018(Updated: )

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JBIG2 decoder. The vulnerability is triggered by a crafted PDF file that contains a malformed JBIG2 stream. Successful exploitation could lead to arbitrary code execution.

Credit: psirt@adobe.com

Affected SoftwareAffected VersionHow to fix
Adobe Acrobat Reader>=17.0<=17.011.30070
Adobe Acrobat>=-<=18.009.20050
Adobe Acrobat>=15.0<=15.006.30394
Adobe Acrobat Reader>=17.0<=17.011.30070
Adobe Acrobat Reader>=-<=18.009.20050
Adobe Acrobat Reader>=15.0<=15.006.30394

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Frequently Asked Questions

  • What is the severity of CVE-2018-4892?

    CVE-2018-4892 is classified as a critical severity vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2018-4892?

    To fix CVE-2018-4892, you should update Adobe Acrobat Reader and Acrobat DC to the latest versions provided by Adobe.

  • What versions of Adobe Acrobat are affected by CVE-2018-4892?

    CVE-2018-4892 affects Adobe Acrobat Reader versions prior to 2018.009.20050 and earlier versions of Adobe Acrobat DC prior to 18.009.20050.

  • What type of vulnerability is CVE-2018-4892?

    CVE-2018-4892 is a use after free vulnerability found in the JBIG2 decoder of Adobe Acrobat software.

  • What is the impact of exploiting CVE-2018-4892?

    Exploiting CVE-2018-4892 could allow an attacker to execute arbitrary code in the context of the user running the affected Adobe software.

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