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Vulnerability record · CVE-2020-16600 · published 9 December 2020

CVE-2020-16600: Artifex mupdf use after free vulnerability

Artifex · Mupdf

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.

7.8 CVSS 3.1 High EPSS 0.96% · top 39.9% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 6.8
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-16600), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.