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  4. CVE 2026 92413 artifex mupdf pdf xref loading pdf streamc
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-92413

Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereferenceCVE-2026-92413

Answer in brief

CVE-2026-92413 records a Medium severity (CVSS 5.3) vulnerability in Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereference. The current sources do not mark it as known exploited. The current feed maps Artifex/MuPDF (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 16, 2026Updated Sep 18, 2026Source checked Nov 1, 2026First seen by HOL Sep 16, 2026Material review Sep 18, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Artifex/MuPDF (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Artifex/MuPDFgenericb6d17493700c621c0e70036980a6ebd06d2202c9Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Artifex/MuPDF.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 16, 2026

Sources and claim methodology

  • Source referenceartifex.com
  • Source referencebugs.ghostscript.com
  • Source referencebugs.ghostscript.com
  • Source referencecgit.ghostscript.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-476, CWE-404
Source
CVE List V5
Source checked
Nov 1, 2026
References
8 linked sources
Open source record