CVE-2026-92413

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-09-16. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 18, 2026

Advisory Details (4)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Artifex | Open Source Power, Enterprise Performance

https://artifex.com/
generic

mupdf.git - MuPDF library

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=3df1e30f9d7b77260e13bd0dbe1928ddeba8386e
generic
https://bugs.ghostscript.com/attachment.cgi?id=28434
generic

709610 – mutool: NULL-pointer dereference in `pdf_read_new_xref_section` when opening a PDF whose xref stream has an external `F` entry

https://bugs.ghostscript.com/show_bug.cgi?id=709610

Vendor Advisories for CVE-2026-92413(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 20:08 UTCEG score recompute
  2. 2026-09-19 20:08 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 19:28 UTCEG score recompute
  5. 2026-09-18 19:28 UTCGHSA enrichment
  6. 2026-09-18 19:27 UTCNVD updateCVSS v4 → 2.1
  7. 2026-09-18 18:34 UTCEG score recompute
  8. 2026-09-18 18:34 UTCGHSA enrichment
  9. 2026-09-18 18:34 UTCMITRE cvelistV5CVSS v4 → 5.3
  10. 2026-09-17 19:53 UTCEG score recompute
  11. 2026-09-17 19:52 UTCGHSA enrichment
  12. 2026-09-17 19:32 UTCEPSS rescore
  13. 2026-09-16 19:11 UTCEG score recompute
  14. 2026-09-16 19:11 UTCGHSA enrichment
  15. 2026-09-16 18:24 UTCEG score recompute
  16. 2026-09-16 18:22 UTCNVD updateCVSS v4 → 2.1
  17. 2026-09-16 17:38 UTCEG score recompute
  18. 2026-09-16 17:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-92413?
CVE-2026-92413 is a medium vulnerability published on September 16, 2026. A flaw has been found in Artifex MuPDF up to b6d17493700c621c0e70036980a6ebd06d2202c9. Affected by this vulnerability is the function pdfopenfilter 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…
When was CVE-2026-92413 disclosed?
CVE-2026-92413 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92413 actively exploited?
CVE-2026-92413 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.8% of all scored CVEs.
What is the CVSS score of CVE-2026-92413?
CVE-2026-92413 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-92413?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92413, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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