Vulnerability-Lookup

CVE-2026-19967 (GCVE-0-2026-19967)

Vulnerability from cvelistv5 – Published: 2026-08-17 00:30 – Updated: 2026-08-18 14:14

Title

Open Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow

Summary

A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 14:14 UTC

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/391144	vdb-entrytechnical-description
https://vuldb.com/vuln/391144/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19967	third-party-advisory
https://vuldb.com/submit/873127	third-party-advisory
https://github.com/assimp/assimp/issues/6624	issue-tracking
https://github.com/user-attachments/files/2723753…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
Open Asset Import Library	Assimp	Affected: 17c12da cpe:2.3:a:assimp:assimp::::::::

Credits

TYGLS (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19967

Vulnerability from fkie_nvd - Published: 2026-08-17 01:16 - Updated: 2026-08-18 15:16

Severity

6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/assimp/assimp/issues/6624
	cna@vuldb.com	https://github.com/user-attachments/files/27237535/poc.zip
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-19967
	cna@vuldb.com	https://vuldb.com/submit/873127
	cna@vuldb.com	https://vuldb.com/vuln/391144
	cna@vuldb.com	https://vuldb.com/vuln/391144/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*"
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          ],
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          "vendor": "Open Asset Import Library",
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    }
  ],
  "id": "CVE-2026-19967",
  "lastModified": "2026-08-18T15:16:50.660",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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        "type": "Secondary",
        "userInteractionRequired": false
      }
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        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19967",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-18T14:14:15.060873Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-17T01:16:44.370",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/assimp/assimp/issues/6624"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/user-attachments/files/27237535/poc.zip"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-19967"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/873127"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391144"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391144/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-34WG-H67Q-GQWF

Vulnerability from github – Published: 2026-08-17 03:30 – Updated: 2026-08-17 03:30

Details

Severity

6.3 (Medium)


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

2.1 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19967"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T01:16:44Z",
    "severity": "LOW"
  },
  "details": "A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
  "id": "GHSA-34wg-h67q-gqwf",
  "modified": "2026-08-17T03:30:22Z",
  "published": "2026-08-17T03:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19967"
    },
    {
      "type": "WEB",
      "url": "https://github.com/assimp/assimp/issues/6624"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/27237535/poc.zip"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19967"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/873127"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391144"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391144/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

ubuntu-cve-2026-19967

Vulnerability from osv_ubuntu

Published

2026-08-17 01:16

Modified

2026-08-19 11:01

Summary

Details

Severity

6.3 (Medium)


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

2.1 (Low)


                    
                      CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-19967	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-19967	REPORT
	https://github.com/assimp/assimp/issues/6624	REPORT
	https://github.com/user-attachments/files/2723753…	REPORT
	https://vuldb.com/cve/CVE-2026-19967	REPORT
	https://vuldb.com/submit/873127	REPORT
	https://vuldb.com/vuln/391144	REPORT
	https://vuldb.com/vuln/391144/cti	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-utils",
            "binary_version": "3.2~dfsg-3"
          },
          {
            "binary_name": "libassimp3v5",
            "binary_version": "3.2~dfsg-3"
          },
          {
            "binary_name": "python-pyassimp",
            "binary_version": "3.2~dfsg-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@3.2~dfsg-3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0~dfsg-4ubuntu4",
        "3.1.1~dfsg-5",
        "3.2~dfsg-1",
        "3.2~dfsg-2",
        "3.2~dfsg-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-utils",
            "binary_version": "4.1.0~dfsg-3"
          },
          {
            "binary_name": "libassimp4",
            "binary_version": "4.1.0~dfsg-3"
          },
          {
            "binary_name": "python-pyassimp",
            "binary_version": "4.1.0~dfsg-3"
          },
          {
            "binary_name": "python3-pyassimp",
            "binary_version": "4.1.0~dfsg-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@4.1.0~dfsg-3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.1~dfsg-5",
        "3.3.1~dfsg-5ubuntu1",
        "3.3.1~dfsg-5+build1",
        "4.0.1~dfsg-1~exp2",
        "4.0.1~dfsg-1",
        "4.1.0~dfsg-1",
        "4.1.0~dfsg-2",
        "4.1.0~dfsg-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.0.1~ds0-1build1"
          },
          {
            "binary_name": "assimp-utils",
            "binary_version": "5.0.1~ds0-1build1"
          },
          {
            "binary_name": "libassimp5",
            "binary_version": "5.0.1~ds0-1build1"
          },
          {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.0.1~ds0-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@5.0.1~ds0-1build1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0~dfsg-5",
        "4.1.0~dfsg-5ubuntu1",
        "5.0.1~ds0-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.2.2~ds0-1"
          },
          {
            "binary_name": "assimp-utils",
            "binary_version": "5.2.2~ds0-1"
          },
          {
            "binary_name": "libassimp5",
            "binary_version": "5.2.2~ds0-1"
          },
          {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.2.2~ds0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@5.2.2~ds0-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.0.1~ds0-2",
        "5.0.1~ds0-3ubuntu1",
        "5.1.4~ds0-1",
        "5.1.5~ds0-1",
        "5.1.6~ds0-1",
        "5.2.0~ds0-2",
        "5.2.1~ds0-1",
        "5.2.2~ds0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-testmodels",
            "binary_version": "5.3.1+ds-2build1"
          },
          {
            "binary_name": "assimp-utils",
            "binary_version": "5.3.1+ds-2build1"
          },
          {
            "binary_name": "libassimp5",
            "binary_version": "5.3.1+ds-2build1"
          },
          {
            "binary_name": "python3-pyassimp",
            "binary_version": "5.3.1+ds-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@5.3.1+ds-2build1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.2.5~ds0-1.1build1",
        "5.3.1+ds-1",
        "5.3.1+ds-2",
        "5.3.1+ds-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "assimp-testmodels",
            "binary_version": "6.0.4+ds-1build1"
          },
          {
            "binary_name": "assimp-utils",
            "binary_version": "6.0.4+ds-1build1"
          },
          {
            "binary_name": "libassimp6",
            "binary_version": "6.0.4+ds-1build1"
          },
          {
            "binary_name": "python3-pyassimp",
            "binary_version": "6.0.4+ds-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "assimp",
        "purl": "pkg:deb/ubuntu/assimp@6.0.4+ds-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.4.3+ds-2",
        "6.0.2+ds-1",
        "6.0.3+ds-1",
        "6.0.4+ds-1",
        "6.0.4+ds-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "A security flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
  "id": "UBUNTU-CVE-2026-19967",
  "modified": "2026-08-19T11:01:27Z",
  "published": "2026-08-17T01:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-19967"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-19967"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/assimp/assimp/issues/6624"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/user-attachments/files/27237535/poc.zip"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/cve/CVE-2026-19967"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/submit/873127"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/391144"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/391144/cti"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-19967"
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2026-19967 (GCVE-0-2026-19967)

FKIE_CVE-2026-19967

GHSA-34WG-H67Q-GQWF

ubuntu-cve-2026-19967

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature