Vulnerability-Lookup

CVE-2025-13120 (GCVE-0-2025-13120)

Vulnerability from cvelistv5 – Published: 2025-11-13 15:32 – Updated: 2026-03-04 15:06 X_Open Source

Title

mruby array.c sort_cmp use after free

Summary

A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue.

Severity

4.8 (Medium)


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

5.3 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-13 16:19 UTC

CWE

CWE-416 - Use After Free
CWE-119 - Memory Corruption

Assigner

VulDB CNA under the mitre root

CNA scorecard B 82/100 over 3970 records in the last 180 days details

References

8 references

URL	Tags
https://vuldb.com/?id.332325	vdb-entrytechnical-description
https://vuldb.com/?ctiid.332325	signaturepermissions-required
https://vuldb.com/?submit.683435	third-party-advisory
https://github.com/mruby/mruby/issues/6649	issue-tracking
https://github.com/makesoftwaresafe/mruby/pull/263	issue-tracking
https://github.com/mruby/mruby/issues/6649#issue-…	exploitissue-tracking
https://github.com/mruby/mruby/commit/eb398971bfb…	patch
https://github.com/mruby/mruby/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	mruby	Affected: 3.0 Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4.0 cpe:2.3:a:mruby:mruby::::::::

Credits

tjbecker (VulDB User)

Show details on NVD website

JSON

To clipboard

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                "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-416",
                  "description": "Use After Free",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Memory Corruption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-02-24T06:27:06.824Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-332325 | mruby array.c sort_cmp use after free",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/?id.332325"
            },
            {
              "name": "VDB-332325 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/?ctiid.332325"
            },
            {
              "name": "Submit #683435 | mruby 3.4.0 Use After Free",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/?submit.683435"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://github.com/mruby/mruby/issues/6649"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://github.com/makesoftwaresafe/mruby/pull/263"
            },
            {
              "tags": [
                "exploit",
                "issue-tracking"
              ],
              "url": "https://github.com/mruby/mruby/issues/6649#issue-3534393003"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/mruby/mruby/"
            }
          ],
          "tags": [
            "x_open-source"
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2025-11-13T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2025-11-13T01:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2025-12-05T15:17:04.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "mruby array.c sort_cmp use after free"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2025-13120",
        "datePublished": "2025-11-13T15:32:07.825Z",
        "dateReserved": "2025-11-13T09:07:33.572Z",
        "dateUpdated": "2026-03-04T15:06:08.865Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2025-13120

Vulnerability from fkie_nvd - Published: 2025-11-13 16:15 - Updated: 2026-10-19 13:10

Severity

5.3 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
cna@vuldb.com	https://github.com/makesoftwaresafe/mruby/pull/263	Issue Tracking
cna@vuldb.com	https://github.com/mruby/mruby/
cna@vuldb.com	https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc	Patch
cna@vuldb.com	https://github.com/mruby/mruby/issues/6649	Issue Tracking, Vendor Advisory
cna@vuldb.com	https://github.com/mruby/mruby/issues/6649#issue-3534393003	Issue Tracking, Vendor Advisory
cna@vuldb.com	https://vuldb.com/?ctiid.332325	Permissions Required, VDB Entry
cna@vuldb.com	https://vuldb.com/?id.332325	Third Party Advisory, VDB Entry
cna@vuldb.com	https://vuldb.com/?submit.683435	Third Party Advisory, VDB Entry

Impacted products

	Vendor	Product	Version
	mruby	mruby	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*"
          ],
          "product": "mruby",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "3.0"
            },
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "status": "affected",
              "version": "3.2"
            },
            {
              "status": "affected",
              "version": "3.3"
            },
            {
              "status": "affected",
              "version": "3.4.0"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "F9663307-847C-4A95-9485-4AEA84AAB19E",
              "versionEndIncluding": "3.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido encontrada en mruby hasta 3.4.0. Esta vulnerabilidad afecta a la funci\u00f3n sort_cmp del archivo src/array.c. Dicha manipulaci\u00f3n conduce a uso despu\u00e9s de liberar. Un ataque debe ser abordado localmente. El exploit ha sido divulgado al p\u00fablico y puede ser usado. El nombre del parche es eb398971bfb43c38db3e04528b68ac9a7ce509bc. Es aconsejable implementar un parche para corregir este problema."
    }
  ],
  "id": "CVE-2025-13120",
  "lastModified": "2026-10-19T13:10:00.110",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "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: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-2025-13120",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-11-13T16:19:04.859653Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-11-13T16:15:51.100",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/makesoftwaresafe/mruby/pull/263"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/mruby/mruby/"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://github.com/mruby/mruby/issues/6649"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://github.com/mruby/mruby/issues/6649#issue-3534393003"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?ctiid.332325"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?id.332325"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?submit.683435"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-J383-Q79V-268X

Vulnerability from github – Published: 2025-11-13 18:31 – Updated: 2026-02-24 09:31

Details

Severity

5.3 (Medium)


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

1.9 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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-2025-13120"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-13T16:15:51Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue.",
  "id": "GHSA-j383-q79v-268x",
  "modified": "2026-02-24T09:31:16Z",
  "published": "2025-11-13T18:31:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13120"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mruby/mruby/issues/6649"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mruby/mruby/issues/6649#issue-3534393003"
    },
    {
      "type": "WEB",
      "url": "https://github.com/makesoftwaresafe/mruby/pull/263"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mruby/mruby"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.332325"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.332325"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.683435"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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"
    }
  ]
}

MSRC_CVE-2025-13120

Vulnerability from csaf_microsoft - Published: 2025-11-02 00:00 - Updated: 2025-11-25 01:37

Summary

mruby array.c sort_cmp use after free

Scope

1 vulnerability in this advisory, including CVE-2025-13120.

CVE-2025-13120

Known not affected: 3 products

Open the full advisory

UBUNTU-CVE-2025-13120 (CVE-2025-13120)

Vulnerability from osv_ubuntu – Published: 2025-11-13 16:15 – Updated: 2026-10-17 09:30 – Source website

Details

Severity

5.3 (Medium)


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

5.5 (Medium)


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

1.9 (Low)


                    
                      CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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-2025-13120	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-13120	REPORT
	https://github.com/mruby/mruby/issues/6649	REPORT
	https://github.com/makesoftwaresafe/mruby/pull/263	REPORT
	https://github.com/mruby/mruby/issues/6649#issue-…	REPORT
	https://vuldb.com/?ctiid.332325	REPORT
	https://vuldb.com/?id.332325	REPORT
	https://vuldb.com/?submit.683435	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "1.2.0+20160315+git4f20d58a-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@1.2.0+20160315+git4f20d58a-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.0+20150817+gita1731254-1",
        "1.1.0+20150906+git1cbbb7e1-1",
        "1.2.0+20160315+git4f20d58a-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "1.4.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@1.4.0-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0-1",
        "1.3.0+20170925+git38185028-1",
        "1.3.0+20171029+git77edafb0-1",
        "1.4.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "2.0.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@2.0.0-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "3.0.0-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@3.0.0-3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.2-3",
        "3.0.0-1",
        "3.0.0-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "3.2.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@3.2.0-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.0-1",
        "3.2.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "3.3.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@3.3.0-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "4.0.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@4.0.0-1?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.0-2",
        "3.4.0-3",
        "4.0.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mruby",
            "binary_version": "3.4.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mruby",
        "purl": "pkg:deb/ubuntu/mruby@3.4.0-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.0-1",
        "3.4.0-2"
      ]
    }
  ],
  "aliases": [],
  "details": "A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue.",
  "id": "UBUNTU-CVE-2025-13120",
  "modified": "2026-10-17T09:30:25Z",
  "published": "2025-11-13T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-13120"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-13120"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/mruby/mruby/issues/6649"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/makesoftwaresafe/mruby/pull/263"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/mruby/mruby/issues/6649#issue-3534393003"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.332325"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?id.332325"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?submit.683435"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-13120"
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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-2025-13120 (GCVE-0-2025-13120)

FKIE_CVE-2025-13120

GHSA-J383-Q79V-268X

MSRC_CVE-2025-13120

UBUNTU-CVE-2025-13120 (CVE-2025-13120)

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour