CVE-2026-92413

Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereference

State: Published
Severity: 5.3 Medium
Published: Sep 16, 2026
Updated: Sep 18, 2026
Reserved: Sep 16, 2026

Description

A flaw has been found in Artifex MuPDF up to b6d17493700c621c0e70036980a6ebd06d2202c9. Affected by this vulnerability is the function pdf_open_filter of the file pdf-stream.c of the component PDF Xref Loading. Executing a manipulation can lead to null pointer dereference. The attack can be launched remotely. The exploit has been published and may be used. This patch is called 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e. Applying a patch is advised to resolve this issue.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
MuPDFArtifex	b6d17493700c621c0e70036980a6ebd06d2202c9Affected

References

VDB-405593 | Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereferencevdb-entrytechnical-description
VDB-405593 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-92413 | CVE Analysis and Reportthird-party-advisory
Submit #940975 | Artifex Software MuPDF mutool commit b6d17493700c621c0e70036980a6ebd06d2202c9 NULL pointer dereferencethird-party-advisory
https://bugs.ghostscript.com/show_bug.cgi?id=709610issue-tracking
https://bugs.ghostscript.com/attachment.cgi?id=28434exploit
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=3df1e30f9d7b77260e13bd0dbe1928ddeba8386epatch
https://artifex.com/product

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