CVE-2021-21059: Acrobat Reader DC Buffer Overflow Vulnerability Could Lead to Arbitrary Code Execution
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21059?
CVE-2021-21059 has been rated as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-21059?
To fix CVE-2021-21059, update Adobe Acrobat Reader DC to the latest version available.
What versions are affected by CVE-2021-21059?
CVE-2021-21059 affects Adobe Acrobat Reader DC versions 2020.013.20074 and earlier, along with other specified versions of Acrobat.
What type of vulnerability is CVE-2021-21059?
CVE-2021-21059 is a memory corruption vulnerability that is triggered when parsing specially crafted PDF files.
Can CVE-2021-21059 be exploited by unauthenticated users?
Yes, CVE-2021-21059 can be exploited by unauthenticated attackers through specially crafted PDF files.