CVE-2020-16600: Use After Free

Published Dec 9, 2020
·
Updated

A Use After Free vulnerability exists in Artifex Software, Inc. MuPDF library 1.17.0-rc1 and earlier when a valid page was followed by a page with invalid pixmap dimensions, causing bander - a static - to point to previously freed memory instead of a newbandwriter.

Affected Software

2 affected components
Artifex Mupdf<=1.16.1
Artifex Mupdf=1.17.0-rc1

Event History

Dec 9, 2020
CVE Published
via MITRE·09:06 PM
Data Sourced
via MITRE·09:06 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2020-16600?

The severity of CVE-2020-16600 is high with a CVSS score of 7.8.

2

How does the Use After Free vulnerability in CVE-2020-16600 occur?

The Use After Free vulnerability in CVE-2020-16600 occurs when a valid page is followed by a page with invalid pixmap dimensions, causing bander to point to previously freed memory.

3

Which software versions are affected by CVE-2020-16600?

CVE-2020-16600 affects Artifex Software, Inc. MuPDF library versions up to and including 1.16.1 and version 1.17.0-rc1.

4

Are there any known references for CVE-2020-16600?

Yes, there are references available for CVE-2020-16600. You can find them at the following links: [Link 1](http://git.ghostscript.com/?p=mupdf.git;h=96751b25462f83d6e16a9afaf8980b0c3f979c8b) and [Link 2](https://bugs.ghostscript.com/show_bug.cgi?id=702253)

5

What is the Common Weakness Enumeration (CWE) for CVE-2020-16600?

The Common Weakness Enumeration (CWE) for CVE-2020-16600 is CWE-416.

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