Vulnerability-Lookup

GHSA-X6RR-CR6C-GVP3

Vulnerability from github – Published: 2026-10-08 06:31 – Updated: 2026-10-08 06:31

Details

containerd overlaybd through 1.0.18 has a do_load_index (LSMT index loading) integer overflow (and resultant out-of-bounds heap access) for index_bytes, if an untrusted overlaybd blob from a registry is used in a scenario with multiple overlaybd-backed containers.

Severity

6.8 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-107446"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-08T04:17:19Z",
    "severity": "MODERATE"
  },
  "details": "containerd overlaybd through 1.0.18 has a do_load_index (LSMT index loading) integer overflow (and resultant out-of-bounds heap access) for index_bytes, if an untrusted overlaybd blob from a registry is used in a scenario with multiple overlaybd-backed containers.",
  "id": "GHSA-x6rr-cr6c-gvp3",
  "modified": "2026-10-08T06:31:16Z",
  "published": "2026-10-08T06:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107446"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/pull/438"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-107446 (GCVE-0-2026-107446)

Vulnerability from cvelistv5 – Published: 2026-10-08 03:37 – Updated: 2026-10-08 17:55

Summary

Severity

6.8 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-08 17:55 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2350 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/containerd/overlaybd/blob/58f1…
https://github.com/containerd/overlaybd/blob/58f1…
https://github.com/containerd/overlaybd/pull/438
https://github.com/containerd/overlaybd/commit/a5…
https://github.com/containerd/overlaybd/commit/d8…

Impacted products

1 product

Vendor	Product	Version
containerd	overlaybd	Affected: 0 , ≤ 1.0.18 (semver)

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-107446",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-08T17:55:14.597721Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-08T17:55:50.535Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "defaultStatus": "unknown",
          "product": "overlaybd",
          "repo": "https://github.com/containerd/overlaybd",
          "vendor": "containerd",
          "versions": [
            {
              "lessThanOrEqual": "1.0.18",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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      "problemTypes": [
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              "description": "CWE-190 Integer Overflow or Wraparound",
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        "dateUpdated": "2026-10-08T03:37:19.484Z",
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        },
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        },
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        },
        {
          "url": "https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40"
        },
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        }
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      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-107446",
    "datePublished": "2026-10-08T03:37:19.484Z",
    "dateReserved": "2026-10-08T03:37:18.693Z",
    "dateUpdated": "2026-10-08T17:55:50.535Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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GHSA-X6RR-CR6C-GVP3

CVE-2026-107446 (GCVE-0-2026-107446)

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Sightings

Nomenclature

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