CWE
416
EPSS
0.105%
Advisory Published
Updated

CVE-2023-38243: Use After Free

First published: Thu Aug 10 2023(Updated: )

Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by a Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Credit: psirt@adobe.com psirt@adobe.com

Affected SoftwareAffected VersionHow to fix
Adobe Acrobat Dc>=15.008.20082<23.003.20269
Adobe Acrobat Reader DC>=15.008.20082<23.003.20269
Apple macOS
Microsoft Windows
Adobe Acrobat Reader>=20.001.30005<=20.005.30516.10516
Adobe Acrobat Reader>=20.001.30005<20.005.30516.10516
Adobe Acrobat Reader>=20.001.30005<20.005.30514.10514
Adobe Acrobat Reader>=20.001.30005<20.005.30514.10514

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Frequently Asked Questions

  • What is the vulnerability ID for this Adobe Acrobat Reader vulnerability?

    The vulnerability ID for this Adobe Acrobat Reader vulnerability is CVE-2023-38243.

  • What is the severity rating of CVE-2023-38243?

    The severity rating of CVE-2023-38243 is medium (5.5).

  • Which versions of Adobe Acrobat Reader are affected by CVE-2023-38243?

    Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by CVE-2023-38243.

  • What is the impact of CVE-2023-38243?

    CVE-2023-38243 could lead to disclosure of sensitive memory and bypass mitigations such as ASLR.

  • Is Apple macOS or Microsoft Windows affected by CVE-2023-38243?

    No, Apple macOS and Microsoft Windows are not affected by CVE-2023-38243.

  • How can I fix CVE-2023-38243?

    To fix CVE-2023-38243, update Adobe Acrobat Reader to versions 23.003.20269 (or later) or 20.005.30516 (or later).

  • Where can I find more information about CVE-2023-38243?

    You can find more information about CVE-2023-38243 at the following reference link: [Adobe Security Bulletin APSB23-30](https://helpx.adobe.com/security/products/acrobat/apsb23-30.html).

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