{
  "fix": "qemu-block-extra 1:5.2\u002Bdfsg-6ubuntu2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-qemu-block-extra-1-5.2-dfsg-6ubuntu2",
  "summary": "qemu-block-extra 1:5.2\u002Bdfsg-6ubuntu2, released January 16, 2026, fixes 2 CVEs in qemu-block-extra. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "qemu-block-extra 1:5.2\u002Bdfsg-6ubuntu2 for Ubuntu 25.04 (plucky)",
  "released": "2026-01-16T01:42:24Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 2 CVEs, none high severity",
  "supported": false,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00333,
  "maxCvss": 6,
  "appliesTo": [
    {
      "product": "qemu-block-extra",
      "productUrl": "https://patchblox.com/security/product/linux/qemu-block-extra",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:5.2\u002Bdfsg-6ubuntu2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-20181",
      "url": "https://patchblox.com/security/cve/CVE-2021-20181",
      "title": "qemu-system-mips: A race condition flaw was found in the 9pfs server implementation of QEMUup to and including 5.2.0",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00333,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20221",
      "url": "https://patchblox.com/security/cve/CVE-2021-20221",
      "title": "qemu-block-extra: An out-of-bounds heap buffer access issue was found in the ARM GenericInterrupt Controller emulator of QEMU up to and...",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6,
      "epss": 0.00326,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}