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Vulnerability record · CVE-2023-51103 · published 26 December 2023

CVE-2023-51103: Artifex mupdf divide by zero vulnerability

Artifex · Mupdf

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz_new_pixmap_from_float_data() of pixmap.c.

7.5 CVSS 3.1 High EPSS 0.91% · top 41.0% CWE-369 · Divide by zero
7.5CVSS 3.1 base score
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz_new_pixmap_from_float_data() of pixmap.c.

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

Affected products

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

References

LinkTags
http://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=f1b5f87edd2675d5c79301e4ef2e1139f67f904b
https://bugs.ghostscript.com/show_bug.cgi?id=707620
https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md ExploitThird Party Advisory
http://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=f1b5f87edd2675d5c79301e4ef2e1139f67f904b
https://bugs.ghostscript.com/show_bug.cgi?id=707620
https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md ExploitThird Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2023-51103), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.