CVE-2026-49237 Local Privilege Escalation in Canonical Multipass

An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-located binaries multipass, qemu-img, qemu-system-aarch64,...

CVE-2026-49237

An issue was discovered in Canonical Multipass for macOS before version 1.16.3 due to an incomplete fix for CVE-2025-5199. While the patch in version 1.16.0 updated the ownership of the multipassd daemon binary to root:wheel, five co-located binaries multipass, qemu-img, qemu-system-aarch64,...

openstack-nova-compute: Arbitrary Host File Overwrite via Unconstrained qemu-img Format Handling in OpenStack Nova

A flaw in OpenStack Nova’s interaction with the qemu-img utility allows an authenticated user to overwrite arbitrary files on the compute host. This occurs because Nova invokes qemu-img without strictly constraining the disk image format, enabling a malicious user to craft a QCOW2 header on a raw...

[SECURITY] [DLA 4486-1] nova security update

Debian LTS Advisory DLA-4486-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara February 20, 2026 https://wiki.debian.org/LTS Package : nova Version : 2:22.4.0-1deb11u7 CVE ID : CVE-2026-24708 Debian Bug : 1128294 Dan Smith discovered that nova, a cloud...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : Nova vulnerability (USN-8049-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8049-1 advisory. Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly use th...

OpenStack Nova calls qemu-img without format restrictions for resize

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

CVE-2026-24708

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

UBUNTU-CVE-2026-24708

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

External Control of File Name or Path

Overview nova is an OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt KVM, Xen, LXC and more, Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM. Affected versions of this package are vulnerable to External...

Security update for libvirt

This update for libvirt fixes the following issues: Security fixes: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Other fixes: libvirt-supportconfig: Add support for...

SUSE SLED15 / SLES15 Security Update : libvirt (SUSE-SU-2026:0279-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0279-1 advisory. - CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 -...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Patch Instructions: To install this SUSE update use the SUSE...

SUSE-SU-2026:0279-1 Security update for libvirt

This update for libvirt fixes the following issues: - CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 - CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278...

SUSE SLES12 Security Update : libvirt (SUSE-SU-2026:0193-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0193-1 advisory. - CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 - CVE-2025-12748: Fixed check ACLs before...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Patch Instructions: To install this SUSE update use the SUSE...

Security update for libvirt

This update for libvirt fixes the following issues: Security fixes: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Other fixes: libvirt-supportconfig: Add support for...

Security update for libvirt

This update for libvirt fixes the following issues: Security fixes: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Other fixes: libvirt-supportconfig: Add support for...

SUSE-SU-2026:0079-1 Security update for libvirt

This update for libvirt fixes the following issues: Security fixes: - CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 - CVE-2025-12748: Fixed check ACLs before parsing the whole domain XML bsc1253278 Other fixes: - libvirt-supportconfig: Add support...

openSUSE 15 Security Update : libvirt (SUSE-SU-2026:0068-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0068-1 advisory. - CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 - CVE-2025-12748: Fixed Check ACLs before parsing t...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2025-13193: Fixed umask for 'qemu-img' when creating external inactive snapshots bsc1253703 CVE-2025-12748: Fixed Check ACLs before parsing the whole domain XML bsc1253278 Patch Instructions: To install this SUSE update use the SUSE...