PT-2021-4857 · Adobe · Reader+1

Published

2021-09-14

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Updated

2021-10-06

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CVE-2021-39843

CVSS v2.0

10

High

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Adobe Acrobat versions prior to 2021.005.20060 Adobe Acrobat versions prior to 2020.004.30006 Adobe Acrobat versions prior to 2017.011.30199 Adobe Reader versions prior to 2021.005.20060 Adobe Reader versions prior to 2020.004.30006 Adobe Reader versions prior to 2017.011.30199
Description The issue is related to an out-of-bounds write vulnerability in memory, which could allow a remote attacker to execute arbitrary code in the context of the current user by using a specially crafted PDF file. Exploitation of this issue requires user interaction, where a victim must open a malicious file.
Recommendations For Adobe Acrobat versions prior to 2021.005.20060, update to a version later than 2021.005.20060 to resolve the issue. For Adobe Acrobat versions prior to 2020.004.30006, update to a version later than 2020.004.30006 to resolve the issue. For Adobe Acrobat versions prior to 2017.011.30199, update to a version later than 2017.011.30199 to resolve the issue. For Adobe Reader versions prior to 2021.005.20060, update to a version later than 2021.005.20060 to resolve the issue. For Adobe Reader versions prior to 2020.004.30006, update to a version later than 2020.004.30006 to resolve the issue. For Adobe Reader versions prior to 2017.011.30199, update to a version later than 2017.011.30199 to resolve the issue.

Fix

Memory Corruption

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Weakness Enumeration

Related Identifiers

BDU:2021-05585
CVE-2021-39843

Affected Products

Acrobat
Reader