{
  "id": "CVE-2016-9079",
  "url": "https://spydr.io/cve/CVE-2016-9079",
  "published": "2018-06-11T21:29:01.797Z",
  "modified": "2026-06-17T00:55:29.057Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "score_source": "NVD",
  "epss": 0.87536,
  "epss_percentile": 0.99757,
  "exploited": true,
  "kev": {
    "added": "2023-06-22",
    "due": "2023-07-13",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability",
    "notes": "https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079; https://nvd.nist.gov/vuln/detail/CVE-2016-9079"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Mozilla"
  ],
  "products": [
    "Mozilla Firefox",
    "Mozilla Firefox ESR",
    "Mozilla Thunderbird"
  ],
  "cwes": [
    "CWE-416"
  ],
  "description": "A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2843.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2850.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/94591",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1037370",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1321066",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201701-15",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201701-35",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2016/dsa-3730",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/41151/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/42327/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2016-92/",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-9079",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9079",
  "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."
    }
  ]
}