CVE-2022-32774: Use After Free
First published: Mon 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. By prematurely deleting objects associated with pages, 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 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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader | =12.0.1.12430 |
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Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-32774.
What software is affected by this vulnerability?
Foxit Software's PDF Reader version 12.0.1.12430 is affected.
What is the severity rating of CVE-2022-32774?
The vulnerability has a severity rating of 7.8, which is classified as high.
How does the vulnerability work?
The vulnerability is a use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader, which allows an attacker to execute arbitrary code by triggering the reuse of previously freed memory.
Is there a fix available for this vulnerability?
At the time of writing, there is no official fix or patch available for this vulnerability. It is recommended to update to the latest version of Foxit PDF Reader when a patch becomes available.
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