CVE-2025-12875 (GCVE-0-2025-12875)
Vulnerability from cvelistv5
Published
2025-11-07 20:32
Modified
2025-11-07 20:32
Severity ?
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
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
CWE
Summary
A weakness has been identified in mruby 3.4.0. This vulnerability affects the function ary_fill_exec of the file mrbgems/mruby-array-ext/src/array.c. Executing manipulation of the argument start/length can lead to out-of-bounds write. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited. This patch is called 93619f06dd378db6766666b30c08978311c7ec94. It is best practice to apply a patch to resolve this issue.
References
Impacted products
Vendor Product Version
n/a mruby Version: 3.4.0
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "mruby",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "3.4.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "tjbecker (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in mruby 3.4.0. This vulnerability affects the function ary_fill_exec of the file mrbgems/mruby-array-ext/src/array.c. Executing manipulation of the argument start/length can lead to out-of-bounds write. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited. This patch is called 93619f06dd378db6766666b30c08978311c7ec94. It is best practice to apply a patch to resolve this issue."
        },
        {
          "lang": "de",
          "value": "In mruby 3.4.0 ist eine Schwachstelle entdeckt worden. Davon betroffen ist die Funktion ary_fill_exec der Datei mrbgems/mruby-array-ext/src/array.c. Mittels dem Manipulieren des Arguments start/length mit unbekannten Daten kann eine out-of-bounds write-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit wurde der \u00d6ffentlichkeit bekannt gemacht und k\u00f6nnte verwendet werden. Der Patch heisst 93619f06dd378db6766666b30c08978311c7ec94. Es wird empfohlen, einen Patch anzuwenden, um dieses Problem zu beheben."
        }
      ],
      "metrics": [
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      "problemTypes": [
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      "providerMetadata": {
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      "references": [
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          "tags": [
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        },
        {
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          "url": "https://github.com/mruby/mruby/issues/6650"
        },
        {
          "tags": [
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          "url": "https://github.com/mruby/mruby/issues/6650#event-20443453808"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/mruby/mruby/issues/6650#issuecomment-3430851605"
        },
        {
          "tags": [
            "patch"
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          "url": "https://github.com/makesoftwaresafe/mruby/commit/93619f06dd378db6766666b30c08978311c7ec94"
        }
      ],
      "tags": [
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      "timeline": [
        {
          "lang": "en",
          "time": "2025-11-07T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-11-07T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-11-07T16:14:52.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "mruby array.c ary_fill_exec out-of-bounds write"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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    "cveId": "CVE-2025-12875",
    "datePublished": "2025-11-07T20:32:07.100Z",
    "dateReserved": "2025-11-07T15:09:38.806Z",
    "dateUpdated": "2025-11-07T20:32:07.100Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.