PT-2026-20315 · Qemu+3 · Qemu-Img+3

Dan Smith + 1 · Published 2026-01-01 · Updated 2026-02-24 · CVE-2026-24708

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenStack Nova (affected versions not specified)

Description The software calls qemu-img without format restrictions when resizing images. A malicious QCOW header could potentially convince Nova's flat image backend to execute an unsafe image resize operation. The qemu-img function is involved in this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-669

Related Identifiers

CVE-2026-24708

GHSA-M4F3-QP2W-GWH6

RHSA-2026:7884

USN-8049-1

Affected Products

Linuxmint

Openstack Nova

Ubuntu

Qemu-Img

References · 21

• https://nvd.nist.gov/vuln/detail/CVE-2026-24708 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-24708 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-24708 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-24708 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8049-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-24708 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-24708 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-m4f3-qp2w-gwh6 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8049-1 · Vendor Advisory
• https://github.com/openstack/nova · Note
• https://github.com/openstack/nova/commit/3eba22ff09c81a61750fbb4882e5f1f01a20fdf5 · Note
• https://twitter.com/infoflowcloud/status/2026266610844029007 · Twitter Post
• https://twitter.com/oss_security/status/2023963796549603685 · Twitter Post
• https://t.me/CVEtracker/45001 · Telegram Post
• https://security.openstack.org/ossa/OSSA-2026-002.html · Note