{
  "cveId": "CVE-2025-65501",
  "url": "https://patchblox.com/security/cve/CVE-2025-65501",
  "summary": "CVE-2025-65501 is fixed in libcoap3 on 1 platform, first by DEBIAN-CVE-2025-65501, released November 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libcoap3: Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial...",
  "description": "Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSL_get_app_data() returns NULL.",
  "published": "2025-11-24T14:15:47Z",
  "severity": "medium",
  "cvss": 4.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
  "epss": 0.00284,
  "epssPercentile": 0.21012,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libcoap3",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.3.4-1.1\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2025-65501",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-65501",
      "released": "2025-11-24T14:15:47Z"
    },
    {
      "platform": "linux",
      "product": "libcoap3",
      "release": "Debian 14",
      "fixedVersion": "4.3.5-2",
      "fix": "DEBIAN-CVE-2025-65501",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-65501",
      "released": "2025-11-24T14:15:47Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}