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CVE-2021-21822

Description

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.

POC

Reference

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1287

Github

- https://github.com/0xCyberY/CVE-T4PDF

- https://github.com/ARPSyndicate/cve-scores

- https://github.com/ARPSyndicate/cvemon