CVE-2026-10233 (GCVE-0-2026-10233)

Vulnerability from cvelistv5 – Published: 2026-06-01 06:45 – Updated: 2026-06-01 06:45
VLAI
Title
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds
Summary
A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Assimp Affected: 6.0.0
Affected: 6.0.1
Affected: 6.0.2
Affected: 6.0.3
Affected: 6.0.4
    cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*
Credits
TYGLS (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Half-Life 1 MDL Loader"
          ],
          "product": "Assimp",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0"
            },
            {
              "status": "affected",
              "version": "6.0.1"
            },
            {
              "status": "affected",
              "version": "6.0.2"
            },
            {
              "status": "affected",
              "version": "6.0.3"
            },
            {
              "status": "affected",
              "version": "6.0.4"
            }
          ]
        }
      ],
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          "lang": "en",
          "type": "reporter",
          "value": "TYGLS (VulDB User)"
        },
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        }
      ],
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          "value": "A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
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            "version": "2.0"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "Out-of-Bounds Read",
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              "type": "CWE"
            }
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        },
        {
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-367512 | Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/367512"
        },
        {
          "name": "VDB-367512 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/367512/cti"
        },
        {
          "name": "CVE-2026-10233 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-10233"
        },
        {
          "name": "Submit #821196 | Assimp commit 17c12da Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/821196"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/assimp/assimp/issues/6619"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/user-attachments/files/27228962/poc.zip"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/assimp/assimp/"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-05-31T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-31T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-31T10:16:20.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-10233",
    "datePublished": "2026-06-01T06:45:08.319Z",
    "dateReserved": "2026-05-31T08:11:05.085Z",
    "dateUpdated": "2026-06-01T06:45:08.319Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-10233",
      "date": "2026-06-02",
      "epss": "0.00012",
      "percentile": "0.01848"
    },
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.