High7.1Red Hat Linux

High [CVE-2026-24708] Arbitrary Host File Overwrite via Unconstrained qemu-img Format Handling in OpenStack Nova

This high-severity Red Hat Linux advisory covers CVE-2026-24708 affecting Red Hat OpenStack Services on OpenShift 18.0, Red Hat OpenStack Platform 13 (Queens), Red Hat OpenStack Platform 16.2.

CVE-2026-24708 Published Feb 17, 2026

CVE-2026-24708

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Arbitrary Host File Overwrite via Unconstrained qemu-img Format Handling in OpenStack Nova. Red Hat rates this important (CVSS 7.1).

Weakness: CWE-73. Affected package(s): openstack-nova.

Resolved in Red Hat advisory RHSA-2026:7884 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat OpenStack Services on OpenShift 18.0; Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more.

Affected versions

openstack-nova-1:27.5.2-18.0.20260312122217.c1c6d67.el9ost

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:7884

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:7884 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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