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TI-2026-62327 Aliases CVE-2026-92413GHSA-pxvr-c538-2crq

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

Priority MEDIUM 57CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00594 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ArtifexMuPDFb6d17493700c621c0e70036980a6ebd06d2202c9—No fix listedCNA
  • MuPDF VendorArtifex Affected b6d17493700c621c0e70036980a6ebd06d2202c9 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*——Artifex
  • cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:* Versions — — ·Artifex

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-92413
  2. 2026-10-03 Alias added: GHSA-pxvr-c538-2crq

References

  • TI-2017-05861 Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution… KEVCVSS 3.1HIGH 7.8
  • TI-2021-02712 Improper input validation in ghostscript CVSS 3.1CRITICAL 9.9
  • TI-2023-13382 In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential… CVSS 3.1CRITICAL 9.8
  • TI-2021-13164 Memory corruption in mujs CVSS 3.1CRITICAL 9.8
  • TI-2018-11841 An issue was discovered in Artifex Ghostscript before 9.24. CVSS 3.0HIGH 7.8
  • TI-2024-16051 freeglut through 3.4.0 was discovered to contain a memory leak via the menuEntry variable… CVSS 3.1HIGH 7.5
See all 265 →

Sources