{
  "cveId": "CVE-2022-26291",
  "url": "https://patchblox.com/security/cve/CVE-2022-26291",
  "summary": "CVE-2022-26291 is fixed in lrzip on 1 platform, first by DEBIAN-CVE-2022-26291, released March 28, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "lrzip: lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_bu...",
  "description": "lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.",
  "published": "2022-03-28T15:15:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.00866,
  "epssPercentile": 0.58912,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "lrzip",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.650-1",
      "fix": "DEBIAN-CVE-2022-26291",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26291",
      "released": "2022-03-28T22:15:09Z"
    },
    {
      "platform": "linux",
      "product": "lrzip",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.650-1",
      "fix": "DEBIAN-CVE-2022-26291",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26291",
      "released": "2022-03-28T22:15:09Z"
    },
    {
      "platform": "linux",
      "product": "lrzip",
      "release": "Debian 14",
      "fixedVersion": "0.650-1",
      "fix": "DEBIAN-CVE-2022-26291",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26291",
      "released": "2022-03-28T22:15:09Z"
    },
    {
      "platform": "linux",
      "product": "lrzip",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.631-1\u002Bdeb9u3build0.18.04.1",
      "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",
      "released": "2022-04-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "lrzip",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.631\u002Bgit180528-1\u002Bdeb10u1build0.20.04.1",
      "fix": "lrzip 0.631\u002Bgit180528-1\u002Bdeb10u1build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-lrzip-0.631-git180528-1-deb10u1build0.20.04.1",
      "released": "2022-04-15T07:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}