{
  "cveId": "CVE-2019-18397",
  "url": "https://patchblox.com/security/cve/CVE-2019-18397",
  "summary": "CVE-2019-18397 is fixed in 2 products on 1 platform, first by RHSA-2019:4361, released December 23, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "fribidi: A library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way...",
  "description": "A library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way, while the text data itself is always written in logical order.\n\nSecurity Fix(es):\n\n* fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leading to denial of service and possible code execution (CVE-2019-18397)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2019-12-23T00:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.02182,
  "epssPercentile": 0.82474,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "fribidi",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.4-7.el8_1",
      "fix": "RHSA-2019:4361",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-4361",
      "released": "2019-12-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "fribidi",
      "release": "ol 8",
      "fixedVersion": "0:1.0.4-7.el8_1",
      "fix": "ELSA-2019-4361",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-4361",
      "released": "2019-12-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "fribidi-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.4-7.el8_1",
      "fix": "RHSA-2019:4361",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-4361",
      "released": "2019-12-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "fribidi-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.0.4-7.el8_1",
      "fix": "ELSA-2019-4361",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-4361",
      "released": "2019-12-23T00:00:00Z"
    }
  ],
  "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"
  }
}