CVE-2026-7233: Artifex MuPDF

Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds

CVSS 4.8 MediumEPSS 0.0024 · 14th percentile

Published by the CVE Program (CNA: VulDB) at 28 Apr 2026, 06:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Artifex	MuPDF	affected 1.24.0 affected 1.24.1 affected 1.24.2 affected 1.24.3 affected 1.24.4 affected 1.24.5 affected 1.24.6 affected 1.24.7 affected 1.24.8 affected 1.24.9 affected 1.24.10 affected 1.24.11 and 24 more

Identifiers

CVE-2026-7233

CNA

VulDB

Weakness (CWE)

CWE-119 · CWE-125

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.8	Medium	4.0	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	CNA (VulDB)Used for this record
3.3	Low	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R	CNA (VulDB)
3.3	Low	3.0	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R	CNA (VulDB)
1.7	Low	2.0	AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.0024, the 14th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

28 Apr 2026, 06:00 UTC Confirmed by the CVE List
28 Apr 2026, 07:16 UTC Confirmed by NVD

Sources

References from the CNA

vuldb.com/vuln/359840 vdb-entrytechnical-description
vuldb.com/vuln/359840/cti signaturepermissions-required
vuldb.com/cve/CVE-2026-7233 third-party-advisory
vuldb.com/submit/802590 third-party-advisory
bugs.ghostscript.com/show_bug.cgi?id=709328 issue-tracking
artifex.com/ product
github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.