{
  "cveId": "CVE-2018-20102",
  "url": "https://patchblox.com/security/cve/CVE-2018-20102",
  "summary": "CVE-2018-20102 is fixed in 2 products on 1 platform, first by haproxy 1.8.8-1ubuntu0.3, released December 30, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "haproxy: An out-of-bounds read in dns_validate_dns_response in dns.c was discovered in HAProxy through 1.8.14",
  "description": "An out-of-bounds read in dns_validate_dns_response in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check when validating DNS responses, remote attackers might be able read the 16 bytes corresponding to an AAAA record from the non-initialized part of the buffer, possibly accessing anything that was left on the stack, or even past the end of the 8193-byte buffer, depending on the value of accepted_payload_size.",
  "published": "2018-12-11T16:00:00Z",
  "severity": "Medium",
  "epss": 0.0415,
  "epssPercentile": 0.90909,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.8.8-1ubuntu0.3",
      "fix": "haproxy 1.8.8-1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-haproxy-1.8.8-1ubuntu0.3",
      "released": "2018-12-30T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "vim-haproxy",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.8.8-1ubuntu0.3",
      "fix": "vim-haproxy 1.8.8-1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-vim-haproxy-1.8.8-1ubuntu0.3",
      "released": "2018-12-30T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}