CVE-2022-40129: Use After Free

Published Nov 21, 2022

Updated

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 12.0.1.12430. A specially-crafted PDF document can trigger the reuse of previously freed memory via misusing Optional Content Group API, which can lead to arbitrary code execution. An attacker needs to trick the user into opening 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.

Affected Software

1 affected component

Foxit PDF Reader=12.0.1.12430

Event History

Nov 21, 2022

CVE Published

via MITRE·04:05 PM

Data Sourced

via MITRE·04:05 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·04:15 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is CVE-2022-40129?

CVE-2022-40129 is a use-after-free vulnerability in the JavaScript engine of Foxit Software's PDF Reader version 12.0.1.12430.

How severe is CVE-2022-40129?

CVE-2022-40129 has a severity score of 7.8 (high).

How does CVE-2022-40129 affect Foxit PDF Reader?

CVE-2022-40129 affects Foxit PDF Reader version 12.0.1.12430.

How can an attacker exploit CVE-2022-40129?

An attacker can exploit CVE-2022-40129 by using a specially-crafted PDF document to trigger the reuse of previously freed memory via misusing the Optional Content Group API, which can lead to arbitrary code execution.

Is there a fix available for CVE-2022-40129?

To mitigate CVE-2022-40129, users should update to the latest version of Foxit PDF Reader.