{
  "id": "CVE-2024-4769",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2024-05-14T18:15:14.297",
  "lastModified": "2024-07-03T02:08:05.617",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses.  This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11."
    },
    {
      "lang": "es",
      "value": "Al importar recursos utilizando Web Workers, los mensajes de error distinguir\u00edan la diferencia entre respuestas `aplicaci\u00f3n/javascript` y respuestas sin script. Se podr\u00eda haber abusado de esto para aprender informaci\u00f3n de origen cruzado. Esta vulnerabilidad afecta a Firefox &lt; 126, Firefox ESR &lt; 115.11 y Thunderbird &lt; 115.11."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-351"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1886108",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-22/",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-23/",
      "source": "security@mozilla.org"
    }
  ]
}