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Vulnerability record · CVE-2023-51106 · published 26 December 2023

CVE-2023-51106: Artifex mupdf divide by zero vulnerability

Artifex · Mupdf

A floating point exception (divide-by-zero) vulnerability was discovered in mupdf 1.23.4 in function pnm_binary_read_image() of load-pnm.c when fz_colorspace_n returns zero.

7.5 CVSS 3.1 High EPSS 0.71% · top 47.5% CWE-369 · Divide by zero
7.5CVSS 3.1 base score
0.71%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A floating point exception (divide-by-zero) vulnerability was discovered in mupdf 1.23.4 in function pnm_binary_read_image() of load-pnm.c when fz_colorspace_n returns zero.

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
https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md ExploitThird Party Advisory
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-2023-51106), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.