MediumFix available
qemu, qemu-hwe — security advisory
An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.
- Products
- qemu, qemu-hwe
- Affected versions
- 1:10.0.2+ds-1ubuntu1, 1:10.0.2+ds-1ubuntu2, 1:10.1.0+ds-1ubuntu1, 1:10.1.0+ds-5ubuntu1, 1:10.1.0+ds-5ubuntu2, 1:10.1.0+ds-5ubuntu2.1, 1:10.1.0+ds-5ubuntu2.2, 1:10.1.0+ds-5ubuntu2.4, 1:10.1.0+ds-5ubuntu2.5, 1:10.1.0+ds-5ubuntu3, 1:10.1.0+ds-5ubuntu4, 1:10.1.0+ds-5ubuntu5, 1:10.2.1+ds-1ubuntu1, 1:10.2.1+ds-1ubuntu2, 1:10.2.1+ds-1ubuntu3, 1:10.2.1+ds-1ubuntu3.1, 1:10.2.1+ds-1ubuntu3.2, 1:10.2.1+ds-1ubuntu3.3, 1:10.2.1+ds-1ubuntu4, 1:10.2.1+ds-1ubuntu4.2, 1:10.2.1+ds-1ubuntu4.3, 1:10.2.1+ds-1ubuntu4.4, 1:10.2.1+ds-1ubuntu6, 1:10.2.1+ds-1ubuntu7, 1:10.2.1+ds-1ubuntu8, 1:11.0.3+ds-2ubuntu1, 1:11.0.3+ds-2ubuntu2, 1:11.0.3+ds-2ubuntu4, 1:8.0.4+dfsg-1ubuntu3, 1:8.0.4+dfsg-1ubuntu4, 1:8.0.4+dfsg-1ubuntu5, 1:8.1.3+ds-1ubuntu2, 1:8.2.1+ds-1ubuntu1, 1:8.2.1+ds-1ubuntu8, 1:8.2.1+ds-1ubuntu9, 1:8.2.2+ds-0ubuntu1, 1:8.2.2+ds-0ubuntu1.10, 1:8.2.2+ds-0ubuntu1.11, 1:8.2.2+ds-0ubuntu1.12, 1:8.2.2+ds-0ubuntu1.13, 1:8.2.2+ds-0ubuntu1.14, 1:8.2.2+ds-0ubuntu1.15, 1:8.2.2+ds-0ubuntu1.2, 1:8.2.2+ds-0ubuntu1.4, 1:8.2.2+ds-0ubuntu1.5, 1:8.2.2+ds-0ubuntu1.6, 1:8.2.2+ds-0ubuntu1.7, 1:8.2.2+ds-0ubuntu1.8, 1:8.2.2+ds-0ubuntu1.9, 1:9.2.1+ds-1ubuntu5
- Fixed versions
- 1:10.1.0+ds-5ubuntu2.6, 1:8.2.2+ds-0ubuntu1.16
- CVEs
- CVE-2026-3196
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:35 UTC · Revision 1
Source evidence
An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.
osv:UBUNTU-CVE-2026-3196
qemu
Fixed versions: 1:8.2.2+ds-0ubuntu1.16
qemu
Fixed versions: 1:10.1.0+ds-5ubuntu2.6
qemu
Fixed versions: Not specified
qemu-hwe
Fixed versions: Not specified
qemu
Fixed versions: Not specified
qemu-hwe
Fixed versions: Not specified
Complete source record
{
"id": "8cece9302f87c3532d2f7cf24fe0cd7ac6d6e01854c3dd6716994d19395a2642",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-3196",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-3196",
"summary": "An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.",
"evidence": "osv:UBUNTU-CVE-2026-3196",
"products": [
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{
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{
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{
"value": "1:8.2.2+ds-0ubuntu1.10",
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},
{
"value": "1:8.2.2+ds-0ubuntu1.11",
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{
"value": "1:8.2.2+ds-0ubuntu1.12",
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{
"value": "1:8.2.2+ds-0ubuntu1.13",
"evidence": "/affected/0/versions"
},
{
"value": "1:8.2.2+ds-0ubuntu1.14",
"evidence": "/affected/0/versions"
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{
"value": "1:8.2.2+ds-0ubuntu1.15",
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{
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{
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{
"value": "1:10.0.2+ds-1ubuntu2",
"evidence": "/affected/1/versions"
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{
"value": "1:10.1.0+ds-1ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu2.1",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu2.2",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu2.4",
"evidence": "/affected/1/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu2.5",
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}
]
},
{
"name": {
"value": "qemu",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:10.2.1+ds-1ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu6",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.0.3+ds-2ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.0.3+ds-2ubuntu2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "qemu-hwe",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:10.2.1+ds-1ubuntu4",
"evidence": "/affected/3/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu7",
"evidence": "/affected/3/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu8",
"evidence": "/affected/3/versions"
},
{
"value": "1:11.0.3+ds-2ubuntu2",
"evidence": "/affected/3/versions"
},
{
"value": "1:11.0.3+ds-2ubuntu4",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "qemu",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "1:10.1.0+ds-5ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu3",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu4",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.1.0+ds-5ubuntu5",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu3",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu3.1",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu3.2",
"evidence": "/affected/4/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu3.3",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "qemu-hwe",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:10.2.1+ds-1ubuntu2",
"evidence": "/affected/5/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu4",
"evidence": "/affected/5/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu4.2",
"evidence": "/affected/5/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu4.3",
"evidence": "/affected/5/versions"
},
{
"value": "1:10.2.1+ds-1ubuntu4.4",
"evidence": "/affected/5/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-3196",
"aliases": [
"UBUNTU-CVE-2026-3196"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/ubuntu/qemu?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1:8.0.4+dfsg-1ubuntu3",
"1:8.0.4+dfsg-1ubuntu4",
"1:8.0.4+dfsg-1ubuntu5",
"1:8.1.3+ds-1ubuntu2",
"1:8.2.1+ds-1ubuntu1",
"1:8.2.1+ds-1ubuntu8",
"1:8.2.1+ds-1ubuntu9",
"1:8.2.2+ds-0ubuntu1",
"1:8.2.2+ds-0ubuntu1.2",
"1:8.2.2+ds-0ubuntu1.4",
"1:8.2.2+ds-0ubuntu1.5",
"1:8.2.2+ds-0ubuntu1.6",
"1:8.2.2+ds-0ubuntu1.7",
"1:8.2.2+ds-0ubuntu1.8",
"1:8.2.2+ds-0ubuntu1.9",
"1:8.2.2+ds-0ubuntu1.10",
"1:8.2.2+ds-0ubuntu1.11",
"1:8.2.2+ds-0ubuntu1.12",
"1:8.2.2+ds-0ubuntu1.13",
"1:8.2.2+ds-0ubuntu1.14",
"1:8.2.2+ds-0ubuntu1.15"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "qemu-block-extra",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-block-supplemental",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-modules-opengl",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-modules-spice",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-system-xen",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-user",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:8.2.2+ds-0ubuntu1.16"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:10.1.0+ds-5ubuntu2.6"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/ubuntu/qemu?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1:9.2.1+ds-1ubuntu5",
"1:10.0.2+ds-1ubuntu1",
"1:10.0.2+ds-1ubuntu2",
"1:10.1.0+ds-1ubuntu1",
"1:10.1.0+ds-5ubuntu1",
"1:10.1.0+ds-5ubuntu2",
"1:10.1.0+ds-5ubuntu2.1",
"1:10.1.0+ds-5ubuntu2.2",
"1:10.1.0+ds-5ubuntu2.4",
"1:10.1.0+ds-5ubuntu2.5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "qemu-block-extra",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-block-supplemental",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-modules-opengl",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-modules-spice",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-riscv",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-system-xen",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-user",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:10.1.0+ds-5ubuntu2.6"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:deb/ubuntu/qemu?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1:10.2.1+ds-1ubuntu3",
"1:10.2.1+ds-1ubuntu6",
"1:11.0.3+ds-2ubuntu1",
"1:11.0.3+ds-2ubuntu2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "qemu-block-extra",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-block-supplemental",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-modules-opengl",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-modules-spice",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-riscv",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:11.0.3+ds-2ubuntu2"
},
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],
"modified": "2026-10-22T23:20:14.296206715Z",
"provider": "osv",
"upstream": [
"CVE-2026-3196"
],
"references": [
"https://ubuntu.com/security/CVE-2026-3196",
"https://www.cve.org/CVERecord?id=CVE-2026-3196",
"https://lore.kernel.org/qemu-devel/20260220-virtio-snd-series-v1-0-207c4f7200a2@linaro.org/",
"https://ubuntu.com/security/notices/USN-8161-1"
]
},
"related_cves": [
{
"value": "CVE-2026-3196",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 410125,
"published_at": "2026-03-03T00:00:00+00:00"
}