RHSA-2026:68514 — Security Advisory

Red Hat Security Advisory: libvirt security update

Loading…

Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · September 17, 2026

Updated · October 31, 2026

Topic

An update for libvirt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.

Security Fix(es):

  • libvirt: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow (CVE-2026-18917)

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.

Related CVEs

RHSA-2026:68514 — Red Hat Security Advisory: libvirt security update | PulseLinux