{
  "cveId": "CVE-2018-20349",
  "url": "https://patchblox.com/security/cve/CVE-2018-20349",
  "summary": "CVE-2018-20349 is fixed in libigraph0v5 on 1 platform by libigraph0v5 0.7.1-2.1\u002Bdeb9u1build0.18.04.1 (version 0.7.1-2.1\u002Bdeb9u1build0.18.04.1), released December 21, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libigraph0v5: The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows at...",
  "description": "The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.",
  "published": "2018-12-21T16:29:00Z",
  "severity": "Medium",
  "epss": 0.01605,
  "epssPercentile": 0.76012,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libigraph0v5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.7.1-2.1\u002Bdeb9u1build0.18.04.1",
      "fix": "libigraph0v5 0.7.1-2.1\u002Bdeb9u1build0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libigraph0v5-0.7.1-2.1-deb9u1build0.18.04.1",
      "released": "2018-12-21T16:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}