CVE-2021-39846: Adobe Acrobat Reader /Parent Property Recursive Stack Overflow
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a stack overflow vulnerability due to insecure handling of a crafted PDF file, potentially resulting in memory corruption in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted PDF file in Acrobat Reader.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-39846?
CVE-2021-39846 is rated as a critical vulnerability due to its potential to cause memory corruption.
How do I fix CVE-2021-39846?
To fix CVE-2021-39846, update Adobe Acrobat Reader DC to the latest version available.
Which versions of Acrobat Reader are affected by CVE-2021-39846?
CVE-2021-39846 affects Acrobat Reader DC versions 2021.005.20060 and earlier, 2020.004.30006 and earlier, and 2017.011.30199 and earlier.
What types of attacks can exploit CVE-2021-39846?
CVE-2021-39846 can be exploited through specially crafted PDF files that trigger a stack overflow.
What impact does CVE-2021-39846 have on user systems?
Exploitation of CVE-2021-39846 may lead to memory corruption, allowing potential attackers to execute arbitrary code on the affected system.