CVE-2021-44047: Use After Free
A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation 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 CVE-2021-44047?
CVE-2021-44047 is a use-after-free vulnerability that exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11.
How does CVE-2021-44047 occur?
CVE-2021-44047 occurs due to a use-after-free issue with parsing DWF/DWFX files, which can be triggered by crafted data in a DWF/DWFX file and lack of proper validation of input data.
How severe is CVE-2021-44047?
CVE-2021-44047 has a severity score of 7.8 (high).
Which software is affected by CVE-2021-44047?
CVE-2021-44047 affects Open Design Alliance Drawings SDK before version 2022.11.
How can CVE-2021-44047 be fixed?
To fix CVE-2021-44047, you should update to Open Design Alliance Drawings SDK version 2022.11 or newer.