Vulnerability-Lookup

GHSA-J383-Q79V-268X

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

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.

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

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{
  "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"
    }
  ]
}

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

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 (v2.0.3)

CWE

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

Assigner

VulDB

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
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

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13120",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-13T16:19:04.859653Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-04T15:06:08.865Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "tjbecker (VulDB User)"
        }
      ],
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "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",
            "version": "4.0"
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        },
        {
          "cvssV3_1": {
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        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4.3,
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      "providerMetadata": {
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      "references": [
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        },
        {
          "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": [
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          "url": "https://vuldb.com/?submit.683435"
        },
        {
          "tags": [
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          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2025-12-05T15:17:04.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "mruby array.c sort_cmp use after free"
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    "datePublished": "2025-11-13T15:32:07.825Z",
    "dateReserved": "2025-11-13T09:07:33.572Z",
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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.

Action not permitted

GHSA-J383-Q79V-268X

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

Tags

Sightings

Nomenclature