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CVE-2026-92413: NULL Pointer Dereference in Artifex MuPDF

0
Medium
VulnerabilityCVE-2026-92413cvecve-2026-92413
Published: 09/16/2026 (09/16/2026, 17:30:10 UTC)
Source: CVE Database V5
Vendor/Project: Artifex
Product: MuPDF

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.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Artifex

MuPDF

CPE configurations
cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/16/2026, 18:02:09 UTC

Technical Analysis

This vulnerability in Artifex MuPDF up to commit b6d17493700c621c0e70036980a6ebd06d2202c9 involves a null pointer dereference in the pdf_open_filter function of the pdf-stream.c file, part of the PDF Xref Loading component. Remote attackers can trigger this flaw to cause a denial of service by crashing the application. The issue is addressed by a patch identified as commit 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low complexity, no privileges required, and user interaction needed.

Potential Impact

Successful exploitation results in a null pointer dereference causing application crashes, leading to denial of service. There is no indication of code execution or data leakage. The vulnerability can be triggered remotely but requires user interaction.

Mitigation Recommendations

A patch is available and applying the patch identified by commit 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e is advised to resolve this issue. No other mitigations are specified.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-16T09:32:58.686Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aaad61e55bf5e2cf5f51405

Added to database: 09/16/2026, 17:47:10 UTC

Last enriched: 09/16/2026, 18:02:09 UTC

Last updated: 09/17/2026, 03:08:47 UTC

Views: 10

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