CVE-2021-40729: Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure

Published Oct 15, 2021
·
Updated

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a out-of-bounds read 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 PDF file.

Affected Software

24 affected components
Adobe Acrobat DC>=15.008.20082<=21.007.20095
Adobe Acrobat Reader DC>=15.008.20082<=21.007.20095
Microsoft Windows
Adobe Acrobat DC>=15.008.20082<=21.007.20096
Adobe Acrobat Reader DC>=15.008.20082<=21.007.20096
Apple macOS
Adobe Acrobat>=20.001.30005<=20.004.30015
Adobe Acrobat Reader>=20.001.30005<=20.004.30015
Adobe Acrobat>=17.011.30158<=17.011.30202
Adobe Acrobat Reader>=17.011.30158<=17.011.30202
All of the following
Any of the following
Adobe Acrobat DC>=15.008.20082<=21.007.20095
Adobe Acrobat Reader DC>=15.008.20082<=21.007.20095
Microsoft Windows
All of the following
Any of the following
Adobe Acrobat DC>=15.008.20082<=21.007.20096
Adobe Acrobat Reader DC>=15.008.20082<=21.007.20096
Apple macOS
All of the following
Any of the following
Adobe Acrobat>=20.001.30005<=20.004.30015
Adobe Acrobat Reader>=20.001.30005<=20.004.30015
Any of the following
Apple macOS
Microsoft Windows
All of the following
Any of the following
Adobe Acrobat>=17.011.30158<=17.011.30202
Adobe Acrobat Reader>=17.011.30158<=17.011.30202
Any of the following
Apple macOS
Microsoft Windows

Event History

Oct 15, 2021
CVE Published
via MITRE·02:21 PM
Data Sourced
via MITRE·02:21 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2021-40729?

CVE-2021-40729 has been classified as a moderate severity vulnerability.

2

How do I fix CVE-2021-40729?

To fix CVE-2021-40729, update Adobe Acrobat Reader DC to the latest version as recommended by Adobe.

3

What versions are affected by CVE-2021-40729?

CVE-2021-40729 affects Adobe Acrobat Reader DC version 21.007.20095 and earlier versions, among others.

4

What type of vulnerability is CVE-2021-40729?

CVE-2021-40729 is an out-of-bounds read vulnerability that may lead to sensitive memory disclosure.

5

Who can exploit CVE-2021-40729?

An attacker with knowledge of the vulnerability could potentially exploit CVE-2021-40729 to gain access to sensitive information.

Contact

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