{
  "cveId": "CVE-2018-18521",
  "url": "https://patchblox.com/security/cve/CVE-2018-18521",
  "summary": "CVE-2018-18521 is fixed in 4 products on 1 platform, first by elfutils 0.170-0.4ubuntu0.1, released February 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "elfutils: Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attacker...",
  "description": "Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.",
  "published": "2018-10-18T17:00:00Z",
  "severity": "Low",
  "epss": 0.01723,
  "epssPercentile": 0.77594,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "elfutils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.170-0.4ubuntu0.1",
      "fix": "elfutils 0.170-0.4ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-elfutils-0.170-0.4ubuntu0.1",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libasm1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.170-0.4ubuntu0.1",
      "fix": "libasm1 0.170-0.4ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libasm1-0.170-0.4ubuntu0.1",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libdw1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.170-0.4ubuntu0.1",
      "fix": "libdw1 0.170-0.4ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libdw1-0.170-0.4ubuntu0.1",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libelf1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.170-0.4ubuntu0.1",
      "fix": "libelf1 0.170-0.4ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libelf1-0.170-0.4ubuntu0.1",
      "released": "2019-02-08T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}