CVE-2021-44707: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an out-of-bounds write vulnerability that could result in 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.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of embedded fonts. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-44707?
CVE-2021-44707 is rated as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2021-44707?
To address CVE-2021-44707, update Adobe Acrobat Reader DC to a version beyond 21.007.20099, 20.004.30017, or 17.011.30204.
What software is affected by CVE-2021-44707?
CVE-2021-44707 impacts Adobe Acrobat Reader DC versions 21.007.20099 and earlier, along with Adobe Acrobat versions 20.004.30017 and earlier.
What are the potential consequences of exploiting CVE-2021-44707?
Exploitation of CVE-2021-44707 can lead to arbitrary code execution within the context of the user running the application.
Is there a workaround for CVE-2021-44707?
Currently, the most effective workaround for CVE-2021-44707 is to immediately update to the latest patched version of Adobe Acrobat products.