Memory Leak Affecting mupdf package, versions <1.16.1+ds1-1ubuntu1+esm1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

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  • Snyk IDSNYK-UBUNTU2004-MUPDF-5853962
  • published16 Aug 2025
  • disclosed22 Aug 2023

Introduced: 22 Aug 2023

CVE-2020-26683  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 mupdf to version 1.16.1+ds1-1ubuntu1+esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mupdf package and not the mupdf package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A memory leak issue discovered in /pdf/pdf-font-add.c in Artifex Software MuPDF 1.17.0 allows attackers to obtain sensitive information.

CVSS Base Scores

version 3.1