{
  "fix": "mupdf-tools 1.12.0\u002Bds1-1ubuntu0.1~esm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mupdf-tools-1.12.0-ds1-1ubuntu0.1-esm1",
  "summary": "mupdf-tools 1.12.0\u002Bds1-1ubuntu0.1~esm1, released August 22, 2023, fixes 7 CVEs in mupdf-tools. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "mupdf-tools 1.12.0\u002Bds1-1ubuntu0.1~esm1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2023-08-22T12:16:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 7 CVEs, none high severity",
  "supported": false,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.50234,
  "maxCvss": 5.5,
  "appliesTo": [
    {
      "product": "mupdf-tools",
      "productUrl": "https://patchblox.com/security/product/linux/mupdf-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.12.0\u002Bds1-1ubuntu0.1~esm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-3407",
      "url": "https://patchblox.com/security/cve/CVE-2021-3407",
      "title": "mupdf: A flaw was found in mupdf 1.18.0",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.50234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-16647",
      "url": "https://patchblox.com/security/cve/CVE-2018-16647",
      "title": "mupdf-tools: In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0147,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-16648",
      "url": "https://patchblox.com/security/cve/CVE-2018-16648",
      "title": "mupdf: In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of se...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0147,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-37220",
      "url": "https://patchblox.com/security/cve/CVE-2021-37220",
      "title": "mupdf: MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the max...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01331,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-10289",
      "url": "https://patchblox.com/security/cve/CVE-2018-10289",
      "title": "mupdf: In MuPDF 1.13.0, there is an infinite loop in the fz_skip_space function of the pdf/pdf-xref.c file",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01053,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-1000036",
      "url": "https://patchblox.com/security/cve/CVE-2018-1000036",
      "title": "mupdf: In Artifex MuPDF 1.12.0 and earlier, multiple memory leaks in the PDF parser allow an attacker to cause a denial of s...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00967,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-21896",
      "url": "https://patchblox.com/security/cve/CVE-2020-21896",
      "title": "mupdf: mupdf - security update",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00507,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T08:00:37Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}