UBUNTU-CVE-2026-3886

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Source

https://ubuntu.com/security/CVE-2026-3886

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3886.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-3886

Upstream

CVE-2026-3886

Published

2026-07-09T00:00:00Z

Modified

2026-08-27T16:58:45Z

Severity

Ubuntu - high

Summary

[none]

Details

[virtio-gpu: fix overflow check when allocating 2d image]

References

Affected packages

Ubuntu:24.04:LTS / qemu

Package

Name: qemu
Purl: pkg:deb/ubuntu/qemu?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:8.*

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

1:8.2.2+ds-0ubuntu1.16

1:8.2.2+ds-0ubuntu1.17

1:8.2.2+ds-0ubuntu1.18

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-user-static",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:8.2.2+ds-0ubuntu1.18"
        }
    ],
    "priority_reason": "Vulnerability allows for VM escape"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3886.json"

Ubuntu:25.10 / qemu

Package

Name: qemu
Purl: pkg:deb/ubuntu/qemu?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:9.*

1:9.2.1+ds-1ubuntu5

1:10.*

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-5ubuntu2.6

1:10.1.0+ds-5ubuntu2.7

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-riscv",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:10.1.0+ds-5ubuntu2.7"
        }
    ],
    "priority_reason": "Vulnerability allows for VM escape"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3886.json"

Ubuntu:26.04:LTS / qemu

Package

Name: qemu
Purl: pkg:deb/ubuntu/qemu?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:10.*

1:10.1.0+ds-5ubuntu2

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-riscv",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "ubuntu-virt",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        }
    ],
    "priority_reason": "Vulnerability allows for VM escape"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3886.json"

Ubuntu:26.04:LTS / qemu-hwe

Package

Name: qemu-hwe
Purl: pkg:deb/ubuntu/qemu-hwe?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:10.*

1:10.2.1+ds-1ubuntu2

1:10.2.1+ds-1ubuntu4

1:10.2.1+ds-1ubuntu4.2

1:10.2.1+ds-1ubuntu4.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-block-supplemental-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-guest-agent-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-arm-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-common-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-data-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-gui-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-mips-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-misc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-modules-opengl-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-modules-spice-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-ppc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-riscv-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-s390x-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-sparc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-x86-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-x86-xen-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-xen-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-user-binfmt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-user-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-utils-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "ubuntu-helper-virt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "ubuntu-virt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        }
    ],
    "priority_reason": "Vulnerability allows for VM escape"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3886.json"