CVE-2021-39845: Adobe Acrobat Reader Page Tree Node 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-2021-39845?
CVE-2021-39845 has a severity rating that indicates a stack overflow vulnerability in Adobe Acrobat Reader and Acrobat DC, which could lead to memory corruption.
How do I fix CVE-2021-39845?
To mitigate CVE-2021-39845, users should update their Adobe Acrobat Reader DC or Acrobat DC to the latest version as recommended by Adobe.
Which versions are affected by CVE-2021-39845?
CVE-2021-39845 affects Adobe Acrobat Reader DC versions 2021.005.20060 and earlier, 2020.004.30006 and earlier, and 2017.011.30199 and earlier.
What can happen if CVE-2021-39845 is exploited?
Exploitation of CVE-2021-39845 may lead to memory corruption and can potentially allow an attacker to execute arbitrary code.
Is my operating system affected by CVE-2021-39845?
CVE-2021-39845 is specific to Adobe Acrobat products and does not directly affect the underlying operating systems like Apple macOS or Microsoft Windows.