{
  "fix": "lrzip 0.631-1\u002Bdeb9u3build0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-lrzip-0.631-1-deb9u3build0.18.04.1",
  "summary": "lrzip 0.631-1\u002Bdeb9u3build0.18.04.1, released April 15, 2022, fixes 5 CVEs in lrzip. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "lrzip 0.631-1\u002Bdeb9u3build0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2022-04-15T07:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-28044, high severity",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01926,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "lrzip",
      "productUrl": "https://patchblox.com/security/product/linux/lrzip",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.631-1\u002Bdeb9u3build0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-28044",
      "url": "https://patchblox.com/security/cve/CVE-2022-28044",
      "title": "lrzip: Irzip v0.640 was discovered to contain a heap memory corruption via the component lrzip.c:initialise_control.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.01926,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25467",
      "url": "https://patchblox.com/security/cve/CVE-2020-25467",
      "title": "lrzip: A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to c...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00963,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26291",
      "url": "https://patchblox.com/security/cve/CVE-2022-26291",
      "title": "lrzip: lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_bu...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00866,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-27345",
      "url": "https://patchblox.com/security/cve/CVE-2021-27345",
      "title": "lrzip: A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-27347",
      "url": "https://patchblox.com/security/cve/CVE-2021-27347",
      "title": "lrzip: Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00716,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T01:58:51Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}