{
  "cveId": "CVE-2026-62959",
  "url": "https://patchblox.com/security/cve/CVE-2026-62959",
  "summary": "CVE-2026-62959 is fixed in coturn on 1 platform by DEBIAN-CVE-2026-62959 (version 4.15.0-1), released August 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "coturn: Coturn is a free open source implementation of TURN and STUN Server",
  "description": "Coturn is a free open source implementation of TURN and STUN Server. From 4.5.2 through 4.14.0, when Coturn is started with --acme-redirect \u003CURL\u003E and exposes a plaintext-TCP listener, an unauthenticated remote client can send a single ordinary HTTP GET request and receive a 301 response whose Location header contains up to ~870 bytes of adjacent process heap memory. The leaked region is a recycled network receive buffer that is reused without being zeroed, so on a busy server it can contain data from other clients\u0027 requests (TURN credentials, OAuth tokens, relayed payloads). Root cause is a signed\u2192unsigned conversion. This issue is fixed in version 4.15.0.",
  "published": "2026-07-31T20:16:53Z",
  "severity": "",
  "epss": 0.00524,
  "epssPercentile": 0.44687,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "coturn",
      "release": "Debian 14",
      "fixedVersion": "4.15.0-1",
      "fix": "DEBIAN-CVE-2026-62959",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-62959",
      "released": "2026-08-01T14:28:19Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}