CVE-2020-16600

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-09 · updated 2026-06-17
Weakness: CWE-416

Description

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 newband_writer.

Affected products

Artifex MuPDF: through 1.16.1; 1.17.0-rc1

References

http://git.ghostscript.com/?p=mupdf.git%3Bh=96751b25462f83d6e16a9afaf8980b0c3f979c8b
https://bugs.ghostscript.com/show_bug.cgi?id=702253
http://git.ghostscript.com/?p=mupdf.git%3Bh=96751b25462f83d6e16a9afaf8980b0c3f979c8b
https://bugs.ghostscript.com/show_bug.cgi?id=702253

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