A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.3.37598. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.

Related CVEs

CVE-2021-21822

Key Information

GHSA ID

GHSA-v89w-v9jm-g4f3

Published

May 24, 2022 10:28 PM

Last Modified

July 22, 2022 12:00 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 1, 2025 6:44 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.