{
  "id": "CVE-2019-3568",
  "url": "https://spydr.io/cve/CVE-2019-3568",
  "published": "2019-05-14T20:29:03.187Z",
  "modified": "2026-06-17T02:35:14.707Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.30076,
  "epss_percentile": 0.98175,
  "exploited": true,
  "kev": {
    "added": "2022-04-19",
    "due": "2022-05-10",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "WhatsApp VOIP Stack Buffer Overflow Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2019-3568"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Facebook"
  ],
  "products": [
    "Facebook WhatsApp for Android",
    "Facebook WhatsApp Business for Android",
    "Facebook WhatsApp for iOS",
    "Facebook WhatsApp Business for iOS",
    "Facebook WhatsApp for Windows Phone",
    "Facebook WhatsApp for Tizen"
  ],
  "cwes": [
    "CWE-122",
    "CWE-787"
  ],
  "description": "A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number. The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/108329",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.facebook.com/security/advisories/cve-2019-3568",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-3568",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}