Security Advisory

CVE-2021-21893

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-08-05 20:07:34

Last updated 2024-08-03 18:30:22

Assigner talos

State PUBLISHED

Description

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

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