{
  "cveId": "CVE-2023-36747",
  "url": "https://patchblox.com/security/cve/CVE-2023-36747",
  "summary": "CVE-2023-36747 is fixed in gtkwave on 1 platform, first by DEBIAN-CVE-2023-36747, released January 8, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "gtkwave: Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of...",
  "description": "Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the handling of \u0060len\u0060 in \u0060fstWritex\u0060 when \u0060beg_time\u0060 does not match the start of the time table.",
  "published": "2024-01-08T15:15:14Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00382,
  "epssPercentile": 0.3241,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gtkwave",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.3.118-0.1~deb12u1",
      "fix": "DEBIAN-CVE-2023-36747",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-36747",
      "released": "2024-01-08T15:15:14Z"
    },
    {
      "platform": "linux",
      "product": "gtkwave",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.3.118-0.1",
      "fix": "DEBIAN-CVE-2023-36747",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-36747",
      "released": "2024-01-08T15:15:14Z"
    },
    {
      "platform": "linux",
      "product": "gtkwave",
      "release": "Debian 14",
      "fixedVersion": "3.3.118-0.1",
      "fix": "DEBIAN-CVE-2023-36747",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-36747",
      "released": "2024-01-08T15:15:14Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}