{
  "fix": "qemu 1:2.11\u002Bdfsg-1ubuntu7.39",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-qemu-1-2.11-dfsg-1ubuntu7.39",
  "summary": "qemu 1:2.11\u002Bdfsg-1ubuntu7.39, released February 18, 2022, fixes 5 CVEs in qemu. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "qemu 1:2.11\u002Bdfsg-1ubuntu7.39 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2022-02-18T10:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-3682, high severity",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0288,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "qemu",
      "productUrl": "https://patchblox.com/security/product/linux/qemu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.11\u002Bdfsg-1ubuntu7.39",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-3682",
      "url": "https://patchblox.com/security/cve/CVE-2021-3682",
      "title": "hivex: usbredir: fix free call (Gerd Hoffmann) [Orabug: 33198441]",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.5,
      "epss": 0.0288,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3748",
      "url": "https://patchblox.com/security/cve/CVE-2021-3748",
      "title": "hivex: QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00522,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20196",
      "url": "https://patchblox.com/security/cve/CVE-2021-20196",
      "title": "qemu-block-extra: A NULL pointer dereference flaw was found in the floppy disk emulator ofQEMU",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.8,
      "epss": 0.00479,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20203",
      "url": "https://patchblox.com/security/cve/CVE-2021-20203",
      "title": "qemu-block-extra: An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMUfor versions up to v5.2.0",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.2,
      "epss": 0.00592,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3930",
      "url": "https://patchblox.com/security/cve/CVE-2021-3930",
      "title": "qemu-kvm-block-gluster: QEMU: off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.00338,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T19:57:06Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}