What is CVE-2018-20312?

CVE-2018-20312 is a vulnerability in Foxit Reader and PhantomPDF that can cause a stack-based buffer overflow or an out-of-bounds read due to a proxyDoAction race condition.

How does CVE-2018-20312 affect Foxit Reader and PhantomPDF?

CVE-2018-20312 affects Foxit Reader versions up to 9.5, PhantomPDF versions up to 8.3.10, and PhantomPDF versions between 9.0 and 9.5.

What is the severity of CVE-2018-20312?

CVE-2018-20312 has a severity rating of 8.1, which is considered high.

How can I fix CVE-2018-20312?

To fix CVE-2018-20312, it is recommended to update to Foxit Reader version 9.5 or newer, or PhantomPDF version 8.3.10 or newer.

Where can I find more information about CVE-2018-20312?

More information about CVE-2018-20312 can be found at the following URL: [https://www.foxitsoftware.com/support/security-bulletins.php](https://www.foxitsoftware.com/support/security-bulletins.php)

Vulnerability/
CVE-2018-20312

high

8.1

CWE

125 362 787 119

7/1/2021

5/8/2024

CVE-2018-20312: Race Condition

First published: Thu Jan 07 2021(Updated: )

Foxit Reader before 9.5, and PhantomPDF before 8.3.10 and 9.x before 9.5, has a proxyDoAction race condition that can cause a stack-based buffer overflow or an out-of-bounds read, a different issue than CVE-2018-20310 because of a different opcode.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Foxitsoftware Phantompdf	<8.3.10
Foxitsoftware Phantompdf	>=9.0<9.5
Foxitsoftware Reader	<9.5

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Reference Links

https://www.foxitsoftware.com/support/security-bulletins.php

Frequently Asked Questions

What is CVE-2018-20312?
CVE-2018-20312 is a vulnerability in Foxit Reader and PhantomPDF that can cause a stack-based buffer overflow or an out-of-bounds read due to a proxyDoAction race condition.
How does CVE-2018-20312 affect Foxit Reader and PhantomPDF?
CVE-2018-20312 affects Foxit Reader versions up to 9.5, PhantomPDF versions up to 8.3.10, and PhantomPDF versions between 9.0 and 9.5.
What is the severity of CVE-2018-20312?
CVE-2018-20312 has a severity rating of 8.1, which is considered high.
How can I fix CVE-2018-20312?
To fix CVE-2018-20312, it is recommended to update to Foxit Reader version 9.5 or newer, or PhantomPDF version 8.3.10 or newer.
Where can I find more information about CVE-2018-20312?
More information about CVE-2018-20312 can be found at the following URL: [https://www.foxitsoftware.com/support/security-bulletins.php](https://www.foxitsoftware.com/support/security-bulletins.php)

agent/type
agent/weakness
agent/first-publish-date
agent/softwarecombine
agent/last-modified-date
collector/nvd-index
agent/software-canonical-lookup-request
agent/severity
agent/references
agent/author
agent/tags
agent/description
agent/event
collector/mitre-cve
source/MITRE
vendor/foxitsoftware
canonical/foxitsoftware phantompdf
version/foxitsoftware phantompdf/9.0
canonical/foxitsoftware reader

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