Vulnerability-Lookup

UBUNTU-CVE-2026-92413 (CVE-2026-92413)

Vulnerability from osv_ubuntu – Published: 2026-09-16 18:17 – Updated: 2026-09-23 23:39 – Source website

Details

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.

Severity

4.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

2.1 (Low)


                    
                      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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-92413	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-92413	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.7a-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7-1",
        "1.7a-1",
        "1.7a-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm2"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.12.0+ds1-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11+ds1-1.1",
        "1.11+ds1-2",
        "1.12.0+ds1-1",
        "1.12.0+ds1-1ubuntu0.1~esm1",
        "1.12.0+ds1-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm2"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.16.1+ds1-1ubuntu1+esm2?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.15.0+ds1-1",
        "1.16.1+ds1-1ubuntu1",
        "1.16.1+ds1-1ubuntu1+esm1",
        "1.16.1+ds1-1ubuntu1+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.19.0+ds1-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.19.0+ds1-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.19.0+ds1-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.17.0+ds1-2",
        "1.19.0+ds1-1",
        "1.19.0+ds1-1build1",
        "1.19.0+ds1-2",
        "1.19.0+ds1-2ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.23.10+ds1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.23.10+ds1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.23.10+ds1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.2+ds1-2",
        "1.22.2+ds1-2build1",
        "1.23.6+ds1-1",
        "1.23.7+ds1-1",
        "1.23.10+ds1-1",
        "1.23.10+ds1-1build1",
        "1.23.10+ds1-1build2",
        "1.23.10+ds1-1build3",
        "1.23.10+ds1-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmupdf27.0",
            "binary_version": "1.27.0+ds1-3ubuntu2"
          },
          {
            "binary_name": "mupdf",
            "binary_version": "1.27.0+ds1-3ubuntu2"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.27.0+ds1-3ubuntu2"
          },
          {
            "binary_name": "python3-mupdf",
            "binary_version": "1.27.0+ds1-3ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.27.0+ds1-3ubuntu2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.25.1+ds1-7",
        "1.25.1+ds1-7build1",
        "1.25.1+ds1-7build2",
        "1.27.0+ds1-2ubuntu1",
        "1.27.0+ds1-3ubuntu1",
        "1.27.0+ds1-3ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2026-92413",
  "modified": "2026-09-23T23:39:29Z",
  "published": "2026-09-16T18:17:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-92413"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-92413"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-92413"
  ]
}

CVE-2026-92413 (GCVE-0-2026-92413)

Vulnerability from cvelistv5 – Published: 2026-09-16 17:30 – Updated: 2026-09-18 18:14

Title

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

Summary

Severity

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

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

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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-18 18:14 UTC

CWE

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

Assigner

VulDB mitre root

References

8 references

URL	Tags
https://vuldb.com/vuln/405593	vdb-entrytechnical-description
https://vuldb.com/vuln/405593/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-92413	third-party-advisory
https://vuldb.com/submit/940975	third-party-advisory
https://bugs.ghostscript.com/show_bug.cgi?id=709610	issue-tracking
https://bugs.ghostscript.com/attachment.cgi?id=28434	exploit
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mup…	patch
https://artifex.com/	product

Impacted products

1 product

Vendor	Product	Version
Artifex	MuPDF	Affected: b6d17493700c621c0e70036980a6ebd06d2202c9 cpe:2.3:a:artifex:mupdf::::::::

Credits

fczhang (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-92413",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-18T18:14:08.965941Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
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          "dateUpdated": "2026-09-18T18:14:41.275Z",
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            "tags": [
              "exploit"
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            "url": "https://bugs.ghostscript.com/show_bug.cgi?id=709610"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "PDF Xref Loading"
          ],
          "product": "MuPDF",
          "vendor": "Artifex",
          "versions": [
            {
              "status": "affected",
              "version": "b6d17493700c621c0e70036980a6ebd06d2202c9"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "fczhang (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
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            "version": "3.1"
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            "baseSeverity": "MEDIUM",
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            "version": "3.0"
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        {
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            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
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          "url": "https://bugs.ghostscript.com/show_bug.cgi?id=709610"
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          "time": "2026-09-16T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-09-16T11:38:03.000Z",
          "value": "VulDB entry last update"
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      ],
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  "cveMetadata": {
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    "assignerShortName": "VulDB",
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    "datePublished": "2026-09-16T17:30:10.298Z",
    "dateReserved": "2026-09-16T09:32:58.686Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

UBUNTU-CVE-2026-92413 (CVE-2026-92413)

CVE-2026-92413 (GCVE-0-2026-92413)

Tags

Sightings

Nomenclature

Related by attack behaviour