ubuntu-cve-2025-12748
Vulnerability from osv_ubuntu
Published
2025-11-11 20:15
Modified
2026-05-20 15:16
Summary
Details
A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too much memory on the host. The excessive memory consumption could lead to a libvirt process crash on the host, resulting in a denial-of-service condition.
Severity
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libvirt-bin",
"binary_version": "1.2.2-0ubuntu13.1.28+esm1"
},
{
"binary_name": "libvirt0",
"binary_version": "1.2.2-0ubuntu13.1.28+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@1.2.2-0ubuntu13.1.28+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.1.1-0ubuntu8",
"1.1.1-0ubuntu9",
"1.1.4-0ubuntu2",
"1.1.4-0ubuntu3",
"1.1.4-0ubuntu4",
"1.1.4-0ubuntu5",
"1.2.0-0ubuntu1",
"1.2.0-0ubuntu2",
"1.2.0-0ubuntu3",
"1.2.1-0ubuntu1",
"1.2.1-0ubuntu2",
"1.2.1-0ubuntu3",
"1.2.1-0ubuntu4",
"1.2.1-0ubuntu5",
"1.2.1-0ubuntu7",
"1.2.1-0ubuntu8",
"1.2.1-0ubuntu9",
"1.2.1-0ubuntu10",
"1.2.2-0ubuntu1",
"1.2.2-0ubuntu2",
"1.2.2-0ubuntu3",
"1.2.2-0ubuntu4",
"1.2.2-0ubuntu5",
"1.2.2-0ubuntu6",
"1.2.2-0ubuntu7",
"1.2.2-0ubuntu8",
"1.2.2-0ubuntu9",
"1.2.2-0ubuntu10",
"1.2.2-0ubuntu11",
"1.2.2-0ubuntu12",
"1.2.2-0ubuntu13",
"1.2.2-0ubuntu13.1",
"1.2.2-0ubuntu13.1.1",
"1.2.2-0ubuntu13.1.2",
"1.2.2-0ubuntu13.1.4",
"1.2.2-0ubuntu13.1.5",
"1.2.2-0ubuntu13.1.6",
"1.2.2-0ubuntu13.1.7",
"1.2.2-0ubuntu13.1.8",
"1.2.2-0ubuntu13.1.9",
"1.2.2-0ubuntu13.1.10",
"1.2.2-0ubuntu13.1.12",
"1.2.2-0ubuntu13.1.14",
"1.2.2-0ubuntu13.1.16",
"1.2.2-0ubuntu13.1.17",
"1.2.2-0ubuntu13.1.20",
"1.2.2-0ubuntu13.1.21",
"1.2.2-0ubuntu13.1.22",
"1.2.2-0ubuntu13.1.23",
"1.2.2-0ubuntu13.1.25",
"1.2.2-0ubuntu13.1.26",
"1.2.2-0ubuntu13.1.27",
"1.2.2-0ubuntu13.1.28",
"1.2.2-0ubuntu13.1.28+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libvirt-bin",
"binary_version": "1.3.1-1ubuntu10.31"
},
{
"binary_name": "libvirt0",
"binary_version": "1.3.1-1ubuntu10.31"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.31?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.16-2ubuntu11",
"1.2.16-2ubuntu12",
"1.2.16-2ubuntu13",
"1.2.16-2ubuntu14",
"1.2.21-2ubuntu1",
"1.2.21-2ubuntu3",
"1.2.21-2ubuntu4",
"1.2.21-2ubuntu5",
"1.2.21-2ubuntu7",
"1.2.21-2ubuntu8",
"1.2.21-2ubuntu9",
"1.2.21-2ubuntu10",
"1.3.1-1ubuntu1",
"1.3.1-1ubuntu2",
"1.3.1-1ubuntu3",
"1.3.1-1ubuntu4",
"1.3.1-1ubuntu6",
"1.3.1-1ubuntu9",
"1.3.1-1ubuntu10",
"1.3.1-1ubuntu10.1",
"1.3.1-1ubuntu10.2",
"1.3.1-1ubuntu10.3",
"1.3.1-1ubuntu10.5",
"1.3.1-1ubuntu10.6",
"1.3.1-1ubuntu10.7",
"1.3.1-1ubuntu10.8",
"1.3.1-1ubuntu10.10",
"1.3.1-1ubuntu10.11",
"1.3.1-1ubuntu10.12",
"1.3.1-1ubuntu10.13",
"1.3.1-1ubuntu10.14",
"1.3.1-1ubuntu10.15",
"1.3.1-1ubuntu10.17",
"1.3.1-1ubuntu10.18",
"1.3.1-1ubuntu10.19",
"1.3.1-1ubuntu10.21",
"1.3.1-1ubuntu10.22",
"1.3.1-1ubuntu10.23",
"1.3.1-1ubuntu10.24",
"1.3.1-1ubuntu10.25",
"1.3.1-1ubuntu10.26",
"1.3.1-1ubuntu10.27",
"1.3.1-1ubuntu10.29",
"1.3.1-1ubuntu10.30",
"1.3.1-1ubuntu10.31"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-bin",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-clients",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon-driver-storage-sheepdog",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "4.0.0-1ubuntu8.21"
},
{
"binary_name": "libvirt0",
"binary_version": "4.0.0-1ubuntu8.21"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@4.0.0-1ubuntu8.21?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.6.0-1ubuntu5",
"3.6.0-1ubuntu6",
"4.0.0-1ubuntu1",
"4.0.0-1ubuntu2",
"4.0.0-1ubuntu3",
"4.0.0-1ubuntu4",
"4.0.0-1ubuntu5",
"4.0.0-1ubuntu6",
"4.0.0-1ubuntu7",
"4.0.0-1ubuntu8",
"4.0.0-1ubuntu8.1",
"4.0.0-1ubuntu8.2",
"4.0.0-1ubuntu8.3",
"4.0.0-1ubuntu8.4",
"4.0.0-1ubuntu8.5",
"4.0.0-1ubuntu8.6",
"4.0.0-1ubuntu8.7",
"4.0.0-1ubuntu8.8",
"4.0.0-1ubuntu8.9",
"4.0.0-1ubuntu8.10",
"4.0.0-1ubuntu8.11",
"4.0.0-1ubuntu8.12",
"4.0.0-1ubuntu8.13",
"4.0.0-1ubuntu8.14",
"4.0.0-1ubuntu8.15",
"4.0.0-1ubuntu8.16",
"4.0.0-1ubuntu8.17",
"4.0.0-1ubuntu8.19",
"4.0.0-1ubuntu8.20",
"4.0.0-1ubuntu8.21"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-clients",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-lxc",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-qemu",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-vbox",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-driver-xen",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-system-systemd",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-daemon-system-sysv",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "6.0.0-0ubuntu8.20"
},
{
"binary_name": "libvirt0",
"binary_version": "6.0.0-0ubuntu8.20"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@6.0.0-0ubuntu8.20?arch=source\u0026distro=focal"
},
"ranges": [
{
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{
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}
],
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}
],
"versions": [
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"6.0.0-0ubuntu1",
"6.0.0-0ubuntu2",
"6.0.0-0ubuntu3",
"6.0.0-0ubuntu4",
"6.0.0-0ubuntu5",
"6.0.0-0ubuntu6",
"6.0.0-0ubuntu7",
"6.0.0-0ubuntu8",
"6.0.0-0ubuntu8.1",
"6.0.0-0ubuntu8.2",
"6.0.0-0ubuntu8.3",
"6.0.0-0ubuntu8.4",
"6.0.0-0ubuntu8.5",
"6.0.0-0ubuntu8.7",
"6.0.0-0ubuntu8.8",
"6.0.0-0ubuntu8.9",
"6.0.0-0ubuntu8.10",
"6.0.0-0ubuntu8.11",
"6.0.0-0ubuntu8.12",
"6.0.0-0ubuntu8.13",
"6.0.0-0ubuntu8.14",
"6.0.0-0ubuntu8.15",
"6.0.0-0ubuntu8.16",
"6.0.0-0ubuntu8.19",
"6.0.0-0ubuntu8.20"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-clients",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-config-network",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-config-nwfilter",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-lxc",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-qemu",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi-direct",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-vbox",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-driver-xen",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-system-systemd",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-daemon-system-sysv",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-login-shell",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "8.0.0-1ubuntu7.15"
},
{
"binary_name": "libvirt0",
"binary_version": "8.0.0-1ubuntu7.15"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@8.0.0-1ubuntu7.15?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.0-1ubuntu7.15"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.6.0-0ubuntu1",
"7.6.0-0ubuntu3",
"8.0.0-1ubuntu3",
"8.0.0-1ubuntu4",
"8.0.0-1ubuntu5",
"8.0.0-1ubuntu6",
"8.0.0-1ubuntu7",
"8.0.0-1ubuntu7.1",
"8.0.0-1ubuntu7.2",
"8.0.0-1ubuntu7.3",
"8.0.0-1ubuntu7.4",
"8.0.0-1ubuntu7.5",
"8.0.0-1ubuntu7.6",
"8.0.0-1ubuntu7.7",
"8.0.0-1ubuntu7.8",
"8.0.0-1ubuntu7.9",
"8.0.0-1ubuntu7.10",
"8.0.0-1ubuntu7.11",
"8.0.0-1ubuntu7.12",
"8.0.0-1ubuntu7.13",
"8.0.0-1ubuntu7.14"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-clients",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-clients-qemu",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-config-network",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-config-nwfilter",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-lxc",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-qemu",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi-direct",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-vbox",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-driver-xen",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-system-systemd",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-daemon-system-sysv",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-l10n",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-login-shell",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "10.0.0-2ubuntu8.11"
},
{
"binary_name": "libvirt0",
"binary_version": "10.0.0-2ubuntu8.11"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@10.0.0-2ubuntu8.11?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.0.0-2ubuntu8.11"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"9.6.0-1ubuntu1",
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"10.0.0-1ubuntu1",
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"10.0.0-2ubuntu5",
"10.0.0-2ubuntu7",
"10.0.0-2ubuntu8",
"10.0.0-2ubuntu8.1",
"10.0.0-2ubuntu8.2",
"10.0.0-2ubuntu8.3",
"10.0.0-2ubuntu8.4",
"10.0.0-2ubuntu8.5",
"10.0.0-2ubuntu8.6",
"10.0.0-2ubuntu8.7",
"10.0.0-2ubuntu8.8",
"10.0.0-2ubuntu8.9",
"10.0.0-2ubuntu8.10"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-clients",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-clients-qemu",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-common",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-common",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-config-network",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-config-nwfilter",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-interface",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-lxc",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-network",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-nodedev",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-nwfilter",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-qemu",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-secret",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-disk",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi-direct",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-logical",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-mpath",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-scsi",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-vbox",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-driver-xen",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-lock",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-log",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-plugin-lockd",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-plugin-sanlock",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-system-systemd",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-daemon-system-sysv",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-l10n",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-login-shell",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-ssh-proxy",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "11.6.0-1ubuntu3.2"
},
{
"binary_name": "libvirt0",
"binary_version": "11.6.0-1ubuntu3.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@11.6.0-1ubuntu3.2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "11.6.0-1ubuntu3.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"11.0.0-2ubuntu6",
"11.0.0-2ubuntu8",
"11.4.0-1ubuntu1",
"11.4.0-1ubuntu2",
"11.6.0-1ubuntu1",
"11.6.0-1ubuntu2",
"11.6.0-1ubuntu3",
"11.6.0-1ubuntu3.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnss-libvirt",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-clients",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-clients-qemu",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-common",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-common",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-config-network",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-config-nwfilter",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-interface",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-lxc",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-network",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-nodedev",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-nwfilter",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-qemu",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-secret",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-disk",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-gluster",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-iscsi-direct",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-logical",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-mpath",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-rbd",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-scsi",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-storage-zfs",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-vbox",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-driver-xen",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-lock",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-log",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-plugin-lockd",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-plugin-sanlock",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-system",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-system-systemd",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-daemon-system-sysv",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-l10n",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-login-shell",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-sanlock",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-ssh-proxy",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt-wireshark",
"binary_version": "11.6.0-1ubuntu7"
},
{
"binary_name": "libvirt0",
"binary_version": "11.6.0-1ubuntu7"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libvirt",
"purl": "pkg:deb/ubuntu/libvirt@11.6.0-1ubuntu7?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "11.6.0-1ubuntu7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"11.6.0-1ubuntu3",
"11.6.0-1ubuntu5",
"11.6.0-1ubuntu6"
]
}
],
"aliases": [],
"details": "A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too much memory on the host. The excessive memory consumption could lead to a libvirt process crash on the host, resulting in a denial-of-service condition.",
"id": "UBUNTU-CVE-2025-12748",
"modified": "2026-05-20T15:16:02Z",
"published": "2025-11-11T20:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-12748"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-12748"
},
{
"type": "REPORT",
"url": "https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/LTGHU3S4JEMCF5KJNJGWWZ7F2CS6L5SG/"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7047-1"
}
],
"related": [
"USN-7047-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-12748"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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