Vulnerability-Lookup

PYSEC-2026-1351

Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 17:24

Details

An integer overflow vulnerability in the loading of ExecuTorch models can cause smaller-than-expected memory regions to be allocated, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 8f062d3f661e20bb19b24b767b9a9a46e8359f2b.

Severity

5.9 (Medium)


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

Impacted products

Name	purl
executorch	pkg:pypi/executorch

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "executorch",
        "purl": "pkg:pypi/executorch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1.0",
        "0.1.2",
        "0.2.0",
        "0.2.1",
        "0.3.0",
        "0.4.0",
        "0.5.0",
        "0.6.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-54952",
    "GHSA-33r8-vrx9-rmcv"
  ],
  "details": "An integer overflow vulnerability in the loading of ExecuTorch models can cause smaller-than-expected memory regions to be allocated, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 8f062d3f661e20bb19b24b767b9a9a46e8359f2b.",
  "id": "PYSEC-2026-1351",
  "modified": "2026-07-07T17:24:06.537574Z",
  "published": "2026-07-07T16:03:00.648100Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54952"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pytorch/executorch"
    },
    {
      "type": "WEB",
      "url": "https://www.facebook.com/security/advisories/cve-2025-54952"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/executorch"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-33r8-vrx9-rmcv"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ExecuTorch integer overflow vulnerability leads to code execution"
}

CVE-2025-54952 (GCVE-0-2025-54952)

Vulnerability from cvelistv5 – Published: 2025-08-07 23:08 – Updated: 2025-08-08 14:11

Summary

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: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-08 13:46 UTC

CWE

Integer Overflow to Buffer Overflow (CWE-680)
CWE-680 - Integer Overflow to Buffer Overflow

Assigner

facebook

References

2 references

URL	Tags
https://www.facebook.com/security/advisories/cve-…	x_refsource_CONFIRM
https://github.com/pytorch/executorch/commit/8f06…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Meta Platforms, Inc	ExecuTorch	Affected: 0 , < https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b (git)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-54952",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-08T13:46:29.718407Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-680",
                "description": "CWE-680 Integer Overflow to Buffer Overflow",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-08T14:11:22.140Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ExecuTorch",
          "vendor": "Meta Platforms, Inc",
          "versions": [
            {
              "lessThan": "https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "dateAssigned": "2025-08-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow vulnerability in the loading of ExecuTorch models can cause smaller-than-expected memory regions to be allocated, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 8f062d3f661e20bb19b24b767b9a9a46e8359f2b."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Integer Overflow to Buffer Overflow (CWE-680)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-07T23:08:39.186Z",
        "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
        "shortName": "facebook"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.facebook.com/security/advisories/cve-2025-54952"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
    "assignerShortName": "facebook",
    "cveId": "CVE-2025-54952",
    "datePublished": "2025-08-07T23:08:39.186Z",
    "dateReserved": "2025-08-01T18:00:45.375Z",
    "dateUpdated": "2025-08-08T14:11:22.140Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-33R8-VRX9-RMCV

Vulnerability from github – Published: 2025-08-08 00:30 – Updated: 2025-08-08 17:00

Summary

ExecuTorch integer overflow vulnerability leads to code execution

Details

Severity

5.9 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "executorch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-54952"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-680"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-08-08T17:00:01Z",
    "nvd_published_at": "2025-08-08T00:15:26Z",
    "severity": "MODERATE"
  },
  "details": "An integer overflow vulnerability in the loading of ExecuTorch models can cause smaller-than-expected memory regions to be allocated, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 8f062d3f661e20bb19b24b767b9a9a46e8359f2b.",
  "id": "GHSA-33r8-vrx9-rmcv",
  "modified": "2025-08-08T17:00:01Z",
  "published": "2025-08-08T00:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54952"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pytorch/executorch"
    },
    {
      "type": "WEB",
      "url": "https://www.facebook.com/security/advisories/cve-2025-54952"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ExecuTorch integer overflow vulnerability leads to code execution"
}

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

PYSEC-2026-1351

CVE-2025-54952 (GCVE-0-2025-54952)

GHSA-33R8-VRX9-RMCV

Tags

Sightings

Nomenclature

Related by attack behaviour