{
  "fix": "qemu-system-data 1:6.0\u002Bdfsg-1~ubuntu3",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-qemu-system-data-1-6.0-dfsg-1-ubuntu3",
  "summary": "qemu-system-data 1:6.0\u002Bdfsg-1~ubuntu3, released January 16, 2026, fixes 6 CVEs in qemu-system-data. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "qemu-system-data 1:6.0\u002Bdfsg-1~ubuntu3 for Ubuntu 25.04 (plucky)",
  "released": "2026-01-16T01:42:24Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 6 CVEs, none high severity",
  "supported": false,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00489,
  "maxCvss": 5.7,
  "appliesTo": [
    {
      "product": "qemu-system-data",
      "productUrl": "https://patchblox.com/security/product/linux/qemu-system-data",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:6.0\u002Bdfsg-1~ubuntu3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-3409",
      "url": "https://patchblox.com/security/cve/CVE-2021-3409",
      "title": "qemu-block-extra: The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective,thus making QEMU vulnerable to the out-of-bou...",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.7,
      "epss": 0.00489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3392",
      "url": "https://patchblox.com/security/cve/CVE-2021-3392",
      "title": "qemu-block-extra: A use-after-free flaw was found in the MegaRAID emulator of QEMU",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.2,
      "epss": 0.0045,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15469",
      "url": "https://patchblox.com/security/cve/CVE-2020-15469",
      "title": "qemu-block-extra: In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 2.3,
      "epss": 0.00429,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-29443",
      "url": "https://patchblox.com/security/cve/CVE-2020-29443",
      "title": "qemu-system-s390x: ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allowsout-of-bounds read access because a buffer index is not...",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.9,
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-35504",
      "url": "https://patchblox.com/security/cve/CVE-2020-35504",
      "title": "qemu-block-extra: A NULL pointer dereference flaw was found in the SCSI emulation support ofQEMU in versions before 6.0.0",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00338,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-35505",
      "url": "https://patchblox.com/security/cve/CVE-2020-35505",
      "title": "qemu-block-extra: A NULL pointer dereference flaw was found in the am53c974 SCSI host busadapter emulation of QEMU in versions before 6...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T20:04:13Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}