Vulnerability-Lookup

CVE-2025-6272 (GCVE-0-2025-6272)

Vulnerability from cvelistv5 – Published: 2025-06-19 18:00 – Updated: 2025-06-23 19:30

Title

wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write

Summary

A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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:N/I:N/A:L/E:P/RL:X/RC:R

3.3 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 2025-06-23 16:16 UTC

CWE

CWE-787 - Out-of-bounds Write
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.313276	vdb-entrytechnical-description
https://vuldb.com/?ctiid.313276	signaturepermissions-required
https://vuldb.com/?submit.593008	third-party-advisory
https://github.com/wasm3/wasm3/issues/531	issue-tracking
https://github.com/user-attachments/files/1951660…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	wasm3	Affected: 0.5.0

Credits

JJLeo (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-6272

Vulnerability from fkie_nvd - Published: 2025-06-19 18:15 - Updated: 2026-06-17 10:01

Severity

3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Summary

References

URL	Tags
cna@vuldb.com	https://github.com/user-attachments/files/19516600/wasm3_crash.txt	Exploit
cna@vuldb.com	https://github.com/wasm3/wasm3/issues/531	Exploit, Issue Tracking
cna@vuldb.com	https://vuldb.com/?ctiid.313276	Permissions Required, Third Party Advisory, VDB Entry
cna@vuldb.com	https://vuldb.com/?id.313276	Third Party Advisory, VDB Entry
cna@vuldb.com	https://vuldb.com/?submit.593008	Third Party Advisory, VDB Entry
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/wasm3/wasm3/issues/531	Exploit, Issue Tracking

Impacted products

	Vendor	Product	Version
	wasm3_project	wasm3	0.5.0

JSON

To clipboard

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    },
    {
      "lang": "es",
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    }
  ],
  "id": "CVE-2025-6272",
  "lastModified": "2026-06-17T10:01:30.133",
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      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 1.9,
          "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": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-6272",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-23T16:16:58.996691Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-19T18:15:22.000",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/user-attachments/files/19516600/wasm3_crash.txt"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/wasm3/wasm3/issues/531"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?ctiid.313276"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?id.313276"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?submit.593008"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/wasm3/wasm3/issues/531"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-RRMW-GV85-W824

Vulnerability from github – Published: 2025-06-19 18:31 – Updated: 2026-06-09 19:09

Summary

pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer

Details

Severity

3.3 (Low)


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

1.9 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pywasm3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-6272"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-09T19:09:31Z",
    "nvd_published_at": "2025-06-19T18:15:22Z",
    "severity": "LOW"
  },
  "details": "A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.",
  "id": "GHSA-rrmw-gv85-w824",
  "modified": "2026-06-09T19:09:31Z",
  "published": "2025-06-19T18:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6272"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wasm3/wasm3/issues/531"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2025-186.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/19516600/wasm3_crash.txt"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/wasm3/pywasm3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wasm3/pywasm3/blob/main/wasm3/m3_compile.c#L333"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.313276"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.313276"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.593008"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer"
}

PYSEC-2025-186

Vulnerability from pysec - Published: 2025-06-19 18:15 - Updated: 2026-05-21 14:54

Details

Severity

1.9 (Low)


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

Impacted products

Name	purl
pywasm3	pkg:pypi/pywasm3

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "pywasm3",
        "purl": "pkg:pypi/pywasm3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1",
        "0.0.2",
        "0.4.8",
        "0.4.9",
        "0.5.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-6272",
    "GHSA-rrmw-gv85-w824"
  ],
  "details": "A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.",
  "id": "PYSEC-2025-186",
  "modified": "2026-05-21T14:54:42.578466Z",
  "published": "2025-06-19T18:15:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.313276"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.593008"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/wasm3/wasm3/issues/531"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.313276"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/user-attachments/files/19516600/wasm3_crash.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-rrmw-gv85-w824"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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"
    }
  ]
}

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.
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-2025-6272 (GCVE-0-2025-6272)

FKIE_CVE-2025-6272

GHSA-RRMW-GV85-W824

PYSEC-2025-186

Tags

Sightings

Nomenclature

Related by attack behaviour