{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2024-9680",
  "revision": 1,
  "title": "Mozilla Firefox — use-after-free in animation timelines",
  "summary": "Firefox and its extended support releases use memory after releasing it in animation timelines, so a crafted page runs the attacker's code inside the content process. Exploited in the wild.",
  "source_type": "cve",
  "severity": "critical",
  "cvss": {
    "score": 9.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.23184,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": false,
    "attack_complexity": "low",
    "kev_added": "2024-10-15",
    "prerequisites": "The user must open an attacker-controlled web page in an affected Firefox build."
  },
  "remediation": {
    "patch_available": true
  },
  "mitre_attack": [
    "T1203"
  ],
  "kill_chain": "execution",
  "recommended_action": "Update Firefox past 131.0.2 and the matching extended support release now; ransomware crews use this, so restart browsers rather than deferring.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2024-9680",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2024-9680",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2024-9680",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9680",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039"
    },
    {
      "type": "vendor_advisory",
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-51/"
    },
    {
      "type": "vendor_advisory",
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-52/"
    }
  ],
  "published_at": "2024-10-09T13:15:12.090Z",
  "issued_at": "2026-09-24T12:03:01.274Z",
  "tags": [
    "mozilla",
    "firefox",
    "use-after-free",
    "ransomware",
    "kev"
  ]
}