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CVE-2026-7233

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

Published: Apr 28, 2026Updated: May 5, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 85.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-119CWE-125

Affected Products

MuPDFArtifexOSS Libraries
mupdfartifexOSS Libraries
artifexcommercialUSOSS Librariesaka artifex software

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Workaround Available

MITRE ATT&CK

3 techniques
Collection
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/vuln/359840
vuldb.com
https://vuldb.com/vuln/359840/cti
vuldb.com
https://vuldb.com/submit/802590
vuldb.com
and 3 more references View all →

Timeline

Published
Apr 28, 2026
Last Updated
May 5, 2026

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