CVE-2021-40420

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.1.0.52543. 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.
References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1429 Exploit Technical Description Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1429 Exploit Technical Description Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:foxit:pdf_reader:11.1.0.52543:*:*:*:*:*:*:*

History

21 Nov 2024, 06:24

Type Values Removed Values Added
References () https://talosintelligence.com/vulnerability_reports/TALOS-2021-1429 - Exploit, Technical Description, Third Party Advisory () https://talosintelligence.com/vulnerability_reports/TALOS-2021-1429 - Exploit, Technical Description, Third Party Advisory

Information

Published : 2022-02-04 23:15

Updated : 2024-11-21 06:24


NVD link : CVE-2021-40420

Mitre link : CVE-2021-40420

CVE.ORG link : CVE-2021-40420


JSON object : View

Products Affected

foxit

  • pdf_reader
CWE
CWE-416

Use After Free