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CVE-2018-6952

Estado: ModificadaAlta (7.5)—

A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

GNU — Patch

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-6952",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
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    ]
  },
  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  ],
  "published": "2018-02-13T19:29:00.573",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/103047",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:2033",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://savannah.gnu.org/bugs/index.php?53133",
      "tags": [
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    },
    {
      "url": "https://security.gentoo.org/glsa/201904-17",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/103047",
      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2019:2033",
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      "url": "https://savannah.gnu.org/bugs/index.php?53133",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6."
    },
    {
      "lang": "es",
      "value": "Existe una doble liberación (double free) en la función another_hunk en pch.c en GNU patch hasta la versión 2.7.6."
    }
  ],
  "lastModified": "2026-06-17T02:02:30.210",
  "configurations": [
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  "sourceIdentifier": "cve@mitre.org"
}