{
  "id": "CVE-2023-38538",
  "sourceIdentifier": "cve-assign@fb.com",
  "published": "2023-10-04T20:15:10.020",
  "lastModified": "2023-10-10T13:33:25.143",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could have resulted in app termination or unexpected control flow with very low probability."
    },
    {
      "lang": "es",
      "value": "Una condici\u00f3n de ejecuci\u00f3n en un subsistema de eventos provoc\u00f3 un problema de use-after-free en llamadas de audio/video establecidas que podr\u00eda haber resultado en la terminaci\u00f3n de la aplicaci\u00f3n o en un flujo de control inesperado con muy baja probabilidad."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4
      },
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        "source": "cve-assign@fb.com",
        "type": "Secondary",
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    },
    {
      "source": "cve-assign@fb.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-366"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:windows:*:*",
              "versionEndExcluding": "2.2320.2",
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  "references": [
    {
      "url": "https://www.whatsapp.com/security/advisories/2023/",
      "source": "cve-assign@fb.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}