Vulnerability-Lookup

CVE-2023-26793 (GCVE-0-2023-26793)

Vulnerability from cvelistv5 – Published: 2024-05-01 00:00 – Updated: 2024-08-02 11:53

Summary

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

Severity

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-02 15:26 UTC

CWE

n/a
CWE-122 - Heap-based Buffer Overflow

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/stephane/libmodbus/issues/683

Impacted products

1 product

Vendor	Product	Version	CPE status
libmodbus	libmodbus	Affected: 3.1.0 cpe:2.3:a:libmodbus:libmodbus:3.1.0:::::::*

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-26793

Vulnerability from fkie_nvd - Published: 2024-05-01 19:15 - Updated: 2026-06-17 05:43

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

References

	URL	Tags
	cve@mitre.org	https://github.com/stephane/libmodbus/issues/683	Exploit, Issue Tracking, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/stephane/libmodbus/issues/683	Exploit, Issue Tracking, Vendor Advisory

Impacted products

	Vendor	Product	Version
	libmodbus	libmodbus	3.1.10

JSON

To clipboard

{
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GHSA-FQV7-FHQ2-929V

Vulnerability from github – Published: 2024-05-01 21:30 – Updated: 2024-07-03 18:38

Details

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

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  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T19:15:21Z",
    "severity": "CRITICAL"
  },
  "details": "libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.",
  "id": "GHSA-fqv7-fhq2-929v",
  "modified": "2024-07-03T18:38:21Z",
  "published": "2024-05-01T21:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-26793"
    },
    {
      "type": "WEB",
      "url": "https://github.com/stephane/libmodbus/issues/683"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-26793

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2023-26793

Aliases

CVE-2023-26793

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-26793",
    "id": "GSD-2023-26793"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-26793"
      ],
      "id": "GSD-2023-26793",
      "modified": "2023-12-13T01:20:53.782627Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-26793",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
          }
        ]
      }
    }
  }
}

UBUNTU-CVE-2023-26793 (CVE-2023-26793)

Vulnerability from osv_ubuntu – Published: 2024-05-01 19:15 – Updated: 2026-05-20 15:02 – Source website

Details

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

Severity

9.8 (Critical)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-26793	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-26793	REPORT
	https://github.com/stephane/libmodbus/issues/683	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.0.5-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.0.5-1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.4-1",
        "3.0.5-1",
        "3.0.5-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.0.6-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.0.6-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.6-1",
        "3.0.6-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.0.6-2+deb9u1build0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.0.6-2+deb9u1build0.18.04.1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.6-2",
        "3.0.6-2ubuntu0.1~esm1",
        "3.0.6-2+deb9u1build0.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.1.6-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.1.6-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.6-1",
        "3.1.6-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.1.6-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.1.6-2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.6-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.1.10-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.1.10-1ubuntu1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.6-2.1",
        "3.1.10-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.1.11-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.1.11-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.11-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmodbus5",
            "binary_version": "3.1.11-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libmodbus",
        "purl": "pkg:deb/ubuntu/libmodbus@3.1.11-2build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.11-2",
        "3.1.11-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.",
  "id": "UBUNTU-CVE-2023-26793",
  "modified": "2026-05-20T15:02:32Z",
  "published": "2024-05-01T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-26793"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-26793"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/stephane/libmodbus/issues/683"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-26793"
  ]
}

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

CVE-2023-26793 (GCVE-0-2023-26793)

FKIE_CVE-2023-26793

GHSA-FQV7-FHQ2-929V

GSD-2023-26793

UBUNTU-CVE-2023-26793 (CVE-2023-26793)

Tags

Sightings

Nomenclature

Related by attack behaviour