High severity8.8NVD Advisory· Published May 10, 2021· Updated Jun 17, 2026
CVE-2021-21822
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.
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Affected products
2- Range: = 10.1.3.37598
- cpe:2.3:a:foxitsoftware:foxit_reader:10.1.3.37598:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1287nvdExploitThird Party Advisory
News mentions
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