CVE-2021-40725: Adobe Acrobat Reader DC AcroForm listbox Use-After-Free Remote Code Execution Vulnerability
First published: Thu Oct 07 2021(Updated: )
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForm listbox that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Acrobat Reader Notification Manager | ||
| Adobe Acrobat Reader DC | >=17.011.30059<=17.011.30199 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30199 | |
| macOS | ||
| Microsoft Windows Operating System | ||
| Adobe Acrobat Reader DC | >=20.001.30005<=20.004.30006 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30006 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20058 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.005.20058 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20060 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.005.20060 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40725?
CVE-2021-40725 has been rated as critical due to its potential for arbitrary code execution.
How do I fix CVE-2021-40725?
To resolve CVE-2021-40725, users should update Adobe Acrobat Reader DC to the latest version available from Adobe.
What versions of Acrobat Reader DC are affected by CVE-2021-40725?
CVE-2021-40725 affects Acrobat Reader DC versions 2021.005.20060 and earlier, 2020.004.30006 and earlier, and 2017.011.30199 and earlier.
What type of vulnerability is CVE-2021-40725?
CVE-2021-40725 is classified as a use-after-free vulnerability occurring when processing AcroForm listboxes.
What impact does CVE-2021-40725 have on users?
Exploitation of CVE-2021-40725 could allow an attacker to execute arbitrary code within the context of the current user.
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