{
  "cveId": "CVE-2021-3998",
  "url": "https://patchblox.com/security/cve/CVE-2021-3998",
  "summary": "CVE-2021-3998 is fixed in glibc on 1 platform, first by DEBIAN-CVE-2021-3998, released August 24, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "glibc: A flaw was found in glibc",
  "description": "A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.",
  "published": "2022-08-24T16:15:09Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.02204,
  "epssPercentile": 0.82669,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "glibc",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.33-4",
      "fix": "DEBIAN-CVE-2021-3998",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3998",
      "released": "2022-08-24T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "glibc",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.33-4",
      "fix": "DEBIAN-CVE-2021-3998",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3998",
      "released": "2022-08-24T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "glibc",
      "release": "Debian 14",
      "fixedVersion": "2.33-4",
      "fix": "DEBIAN-CVE-2021-3998",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3998",
      "released": "2022-08-24T16:15:09Z"
    }
  ],
  "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"
  }
}