{
  "fix": "qemu-system 1:4.2-3ubuntu6.4",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-qemu-system-1-4.2-3ubuntu6.4",
  "summary": "qemu-system 1:4.2-3ubuntu6.4, released August 11, 2020, fixes 11 CVEs in qemu-system. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "qemu-system 1:4.2-3ubuntu6.4 for Ubuntu 20.04 LTS (focal)",
  "released": "2020-08-11T09:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 11 CVEs, none high severity",
  "supported": false,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01796,
  "maxCvss": 6.7,
  "appliesTo": [
    {
      "product": "qemu-system",
      "productUrl": "https://patchblox.com/security/product/linux/qemu-system",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:4.2-3ubuntu6.4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-10761",
      "url": "https://patchblox.com/security/cve/CVE-2020-10761",
      "title": "qemu: An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01796,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13800",
      "url": "https://patchblox.com/security/cve/CVE-2020-13800",
      "title": "qemu: ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00486,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15863",
      "url": "https://patchblox.com/security/cve/CVE-2020-15863",
      "title": "qemu: hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00477,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-14415",
      "url": "https://patchblox.com/security/cve/CVE-2020-14415",
      "title": "qemu-utils: oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00453,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13659",
      "url": "https://patchblox.com/security/cve/CVE-2020-13659",
      "title": "qemu-system-common: address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00429,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13253",
      "url": "https://patchblox.com/security/cve/CVE-2020-13253",
      "title": "qemu-block-extra: sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00428,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13754",
      "url": "https://patchblox.com/security/cve/CVE-2020-13754",
      "title": "libguestfs-java: QEMU: msix: OOB access during mmio operations may lead to DoS",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.00421,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16092",
      "url": "https://patchblox.com/security/cve/CVE-2020-16092",
      "title": "hivex: virt:rhel/qemu-kvm: QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c [rhel-8])",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 3.8,
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13362",
      "url": "https://patchblox.com/security/cve/CVE-2020-13362",
      "title": "qemu: In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_qu...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12829",
      "url": "https://patchblox.com/security/cve/CVE-2020-12829",
      "title": "qemu-block-extra: In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00374,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13361",
      "url": "https://patchblox.com/security/cve/CVE-2020-13361",
      "title": "qemu: In QEMU 5.0.0 and earlier, es1370_transfer_audio in hw/audio/es1370.c does not properly validate the frame count, whi...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.0037,
      "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"
  }
}