{
  "cveId": "CVE-2026-87121",
  "url": "https://patchblox.com/security/cve/CVE-2026-87121",
  "summary": "CVE-2026-87121 is fixed in lwip on 1 platform by DEBIAN-CVE-2026-87121 (version 2.2.1\u002Bdfsg1-8), released October 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "lwip: lwIP\u00A0TCP/IP Stack MQTT\u00A0is vulnerable to an out-of-bounds write, which may allow an attacker to gain full code executi...",
  "description": "lwIP\u00A0TCP/IP Stack MQTT\u00A0is vulnerable to an out-of-bounds write, which may allow an attacker to gain full code execution on the device.",
  "published": "2026-09-22T20:17:09Z",
  "severity": "",
  "epss": 0.00775,
  "epssPercentile": 0.56006,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "lwip",
      "release": "Debian 14",
      "fixedVersion": "2.2.1\u002Bdfsg1-8",
      "fix": "DEBIAN-CVE-2026-87121",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-87121",
      "released": "2026-10-10T22:48:57Z"
    }
  ],
  "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"
  }
}