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Fencer Vulns
high 7.5

CVE-2023-51103 json

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz_new_pixmap_from_float_d…

published 2023-12-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55825

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

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.

Patch / fix

  • mupdf Ubuntu Pro 22.04 LTS 1.19.0+ds1-2ubuntu0.1~esm1
  • mupdf Ubuntu Pro 24.04 LTS 1.23.10+ds1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2023-51103

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-51103 updated

mupdf: Multiple vulnerabilities

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.