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Medium RLSA-2026:18748 1 CVE

Moderate: libvirt security update

Published May 28, 2026 · Updated May 28, 2026

Summary

Kernel-based Virtual Machine (KVM) offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the virtualized systems.

Security Fix(es):

* libvirt: Denial of service in XML parsing (CVE-2025-12748)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 9 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 libvirt 0:11.10.0-12.el9

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2413801