{
  "fix": "libvncclient1 0.9.11\u002Bdfsg-1ubuntu1.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.1",
  "summary": "libvncclient1 0.9.11\u002Bdfsg-1ubuntu1.1, released January 29, 2019, fixes 12 CVEs in libvncclient1. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libvncclient1 0.9.11\u002Bdfsg-1ubuntu1.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2019-01-29T16:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 12 CVEs, none high severity",
  "supported": false,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.26543,
  "appliesTo": [
    {
      "product": "libvncclient1",
      "productUrl": "https://patchblox.com/security/product/linux/libvncclient1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.9.11\u002Bdfsg-1ubuntu1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-6307",
      "url": "https://patchblox.com/security/cve/CVE-2018-6307",
      "title": "libvncclient1: LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server co...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.26543,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-15127",
      "url": "https://patchblox.com/security/cve/CVE-2018-15127",
      "title": "italc-client: LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in serve...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.15089,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-15126",
      "url": "https://patchblox.com/security/cve/CVE-2018-15126",
      "title": "libvncclient1: LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server co...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.11809,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20019",
      "url": "https://patchblox.com/security/cve/CVE-2018-20019",
      "title": "libitalccore: LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabiliti...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.09648,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20020",
      "url": "https://patchblox.com/security/cve/CVE-2018-20020",
      "title": "italc-client: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside s...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.08786,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20021",
      "url": "https://patchblox.com/security/cve/CVE-2018-20021",
      "title": "italc-client: LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0342,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20750",
      "url": "https://patchblox.com/security/cve/CVE-2018-20750",
      "title": "libvncserver-config: LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03335,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20748",
      "url": "https://patchblox.com/security/cve/CVE-2018-20748",
      "title": "italc-client: LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20749",
      "url": "https://patchblox.com/security/cve/CVE-2018-20749",
      "title": "italc-client: LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20024",
      "url": "https://patchblox.com/security/cve/CVE-2018-20024",
      "title": "italc-management-console: LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code th...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20022",
      "url": "https://patchblox.com/security/cve/CVE-2018-20022",
      "title": "italc-client: LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02937,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20023",
      "url": "https://patchblox.com/security/cve/CVE-2018-20023",
      "title": "italc-client: LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02495,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T13:55:20Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}