ESB-2026.4157 PUBLISHED CVSS 5.5 MEDIUM

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4157 Security update for libvirt 24 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: libvirt Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2025-12748 CVE-2025-13193 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-202621263-1 Comment: CVSS (Max): 5.5 CVE-2025-13193 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N EPSS (Max): 0.1% (26th) CVE-2025-12748 2026-04-23 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for libvirt Announcement ID: SUSE-SU-2026:21263-1 Release Date: 2026-04-21T08:35:50Z Rating: moderate o bsc#1235079 o bsc#1253278 References: o bsc#1253703 o bsc#1258345 o CVE-2025-12748 Cross-References: o CVE-2025-13193 o CVE-2025-12748 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2025-12748 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:N/I:N/A:H o CVE-2025-12748 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:H CVSS scores: o CVE-2025-13193 ( SUSE ): 5.7 CVSS:4.0/AV:L/AC:L/AT:P/PR:L /UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N o CVE-2025-13193 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:N/A:N o CVE-2025-13193 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:N/A:N Affected o SUSE Linux Micro 6.1 Products: An update that solves two vulnerabilities and has two fixes can now be installed. Description: This update for libvirt fixes the following issues: o CVE-2025-12748: Denial of service in XML parsing (bsc#1253278). o CVE-2025-13193: Information disclosure via world-readable VM snapshots (bsc #1253703). Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-498=1 Package List: o SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) libvirt-daemon-plugin-lockd-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-network-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-nodedev-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-core-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-disk-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-iscsi-direct-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-disk-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-common-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-proxy-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-secret-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-lock-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-client-qemu-10.0.0-slfo.1.1_2.1 libvirt-daemon-lock-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-mpath-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-config-network-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-mpath-10.0.0-slfo.1.1_2.1 libvirt-libs-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-nodedev-10.0.0-slfo.1.1_2.1 libvirt-daemon-log-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-network-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-10.0.0-slfo.1.1_2.1 libvirt-nss-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-common-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-qemu-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-iscsi-10.0.0-slfo.1.1_2.1 libvirt-libs-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-nwfilter-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-nwfilter-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-logical-10.0.0-slfo.1.1_2.1 libvirt-daemon-qemu-10.0.0-slfo.1.1_2.1 libvirt-nss-10.0.0-slfo.1.1_2.1 libvirt-client-10.0.0-slfo.1.1_2.1 libvirt-debugsource-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-iscsi-direct-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-secret-10.0.0-slfo.1.1_2.1 libvirt-daemon-hooks-10.0.0-slfo.1.1_2.1 libvirt-daemon-plugin-lockd-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-core-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-scsi-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-qemu-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-iscsi-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-client-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-scsi-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-proxy-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-logical-debuginfo-10.0.0-slfo.1.1_2.1 libvirt-daemon-log-debuginfo-10.0.0-slfo.1.1_2.1 o SUSE Linux Micro 6.1 (aarch64 x86_64) libvirt-daemon-driver-storage-rbd-10.0.0-slfo.1.1_2.1 libvirt-daemon-driver-storage-rbd-debuginfo-10.0.0-slfo.1.1_2.1 References: o https://www.suse.com/security/cve/CVE-2025-12748.html o https://www.suse.com/security/cve/CVE-2025-13193.html o https://bugzilla.suse.com/show_bug.cgi?id=1235079 o https://bugzilla.suse.com/show_bug.cgi?id=1253278 o https://bugzilla.suse.com/show_bug.cgi?id=1253703 o https://bugzilla.suse.com/show_bug.cgi?id=1258345 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products

VendorProductVersions
SUSElibvirt

Timeline

References

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