What is RHSA-2026:18326?

RHSA-2026:18326 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: libvirt security update

Which CVE IDs does RHSA-2026:18326 cover?

RHSA-2026:18326 covers the following CVE IDs: CVE-2025-12748. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:18326?

RHSA-2026:18326 has a CVSS v3 base score of 5.5, published by Red Hat Product Security.

RHSA-2026:18326MediumCVSS 5.5

Red Hat Security Advisory: libvirt security update

Vendor

Red Hat Product Security

Published

May 19, 2026

Last Modified

July 12, 2026

🔗 CVE IDs covered (1)

CVE-2025-12748 →

📋 Description

CVE-2025-12748 — libvirt: Denial of service in XML parsing

🔗 References (36)

selfhttps://access.redhat.com/errata/RHSA-2026:18326
externalhttps://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.2_release_notes/index
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2413801
externalhttps://issues.redhat.com/browse/RHEL-100716
externalhttps://issues.redhat.com/browse/RHEL-102925
externalhttps://issues.redhat.com/browse/RHEL-104216
externalhttps://issues.redhat.com/browse/RHEL-104238
externalhttps://issues.redhat.com/browse/RHEL-104427
externalhttps://issues.redhat.com/browse/RHEL-110191
externalhttps://issues.redhat.com/browse/RHEL-113574
externalhttps://issues.redhat.com/browse/RHEL-114412
externalhttps://issues.redhat.com/browse/RHEL-118671
externalhttps://issues.redhat.com/browse/RHEL-122751
externalhttps://issues.redhat.com/browse/RHEL-126346
externalhttps://issues.redhat.com/browse/RHEL-126945
externalhttps://issues.redhat.com/browse/RHEL-131335
externalhttps://issues.redhat.com/browse/RHEL-135115
externalhttps://issues.redhat.com/browse/RHEL-138300
externalhttps://issues.redhat.com/browse/RHEL-141820
externalhttps://issues.redhat.com/browse/RHEL-144089
externalhttps://issues.redhat.com/browse/RHEL-145080
externalhttps://issues.redhat.com/browse/RHEL-145769
externalhttps://issues.redhat.com/browse/RHEL-150351
externalhttps://issues.redhat.com/browse/RHEL-151916
externalhttps://issues.redhat.com/browse/RHEL-62032
externalhttps://issues.redhat.com/browse/RHEL-7038
externalhttps://issues.redhat.com/browse/RHEL-72006
externalhttps://issues.redhat.com/browse/RHEL-79806
externalhttps://issues.redhat.com/browse/RHEL-80679
externalhttps://issues.redhat.com/browse/RHEL-82645
externalhttps://issues.redhat.com/browse/RHEL-87522
externalhttps://issues.redhat.com/browse/RHEL-92842
externalhttps://issues.redhat.com/browse/RHEL-95749
externalhttps://issues.redhat.com/browse/RHEL-95818
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_18326.json