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Vulnerability record · CVE-2020-26683 · published 22 August 2023

CVE-2020-26683: Artifex mupdf memory leak vulnerability

Artifex · Mupdf

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

5.5 CVSS 3.1 Medium EPSS 0.31% · top 78.4% CWE-401 · Memory leak
5.5CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

Affected products

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

References

LinkTags
https://bugs.ghostscript.com/show_bug.cgi?id=702566 ExploitIssue TrackingPatch
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=05720b4ee3dbae57e65546dc2eecc3021c08eeea
https://bugs.ghostscript.com/show_bug.cgi?id=702566 ExploitIssue TrackingPatch

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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-2020-26683), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.