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CVE-2024-6603

Estado: AnalizadaAlta (7.4)—

En un escenario de falta de memoria, una asignación podría fallar, pero luego se habría llamado a free en el puntero, lo que provocaría daños en la memoria. Esta vulnerabilidad afecta a Firefox < 128 y Firefox ESR < 115.13.

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 (2)

Mozilla — FirefoxMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-6603",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-6603",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-11T15:12:02.087651Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.4,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "versions": [
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          "product": "Firefox ESR",
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          "vendor": "Mozilla",
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      "affectedData": [
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              "version": "0",
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          "defaultStatus": "unknown"
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          "product": "firefox_esr",
          "versions": [
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              "status": "affected",
              "version": "0",
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          "defaultStatus": "unknown"
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  ],
  "published": "2024-07-09T15:15:12.533",
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1895081",
      "tags": [
        "Issue Tracking"
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      "source": "security@mozilla.org"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-29/",
      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-30/",
      "tags": [
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      "tags": [
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      "source": "security@mozilla.org"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-32/",
      "tags": [
        "Vendor Advisory"
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      "source": "security@mozilla.org"
    },
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      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1895081",
      "tags": [
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      "url": "https://www.mozilla.org/security/advisories/mfsa2024-29/",
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      "url": "https://www.mozilla.org/security/advisories/mfsa2024-31/",
      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-32/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-823"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128."
    },
    {
      "lang": "es",
      "value": "En un escenario de falta de memoria, una asignación podría fallar, pero luego se habría llamado a free en el puntero, lo que provocaría daños en la memoria. Esta vulnerabilidad afecta a Firefox &lt; 128 y Firefox ESR &lt; 115.13."
    }
  ],
  "lastModified": "2026-06-17T08:18:19.727",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "B174E5D8-7E32-4C31-804C-6BA0CF4B1BF0",
              "versionEndExcluding": "115.13"
            },
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              "matchCriteriaId": "540E6900-1ECF-4138-9ABB-C3CC81FCF47B",
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}