CVE-2026-7233

Name: CVE-2026-7233
Creator: NVD / NIST
Published: 2026-04-28T07:16:04.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-7233 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.24%

14.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Artifex	Mupdf	<= 1.27.2

References

https://artifex.com/Product
https://bugs.ghostscript.com/show_bug.cgi?id=709328Exploit, Mitigation, Third Party Advisory
https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobreadExploit
https://vuldb.com/submit/802590Exploit, Mitigation, Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359840Exploit, Mitigation, Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359840/ctiPermissions Required, VDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=709328Exploit, Mitigation, Third Party Advisory
https://vuldb.com/submit/802590Exploit, Mitigation, Third Party Advisory, VDB Entry

Timeline

Published: Apr 28, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-7233?

How severe is CVE-2026-7233?

CVE-2026-7233 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-7233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-7233?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST