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openSUSE 15.4 Security Update- QEMU Security Fix - SUSE-SU-2026-0594-2

suse
Calendar Grey February 2, 2026
Dist Suse Esm H88
This security advisory details an important patch for qemu in SUSE, fixing a denial of service issue, requiring immediate attention.
An update that solves one vulnerability can now be installed.

Summary

## This update for qemu fixes the following issues: * CVE-2025-11234: Fixed use-after-free in websocket handshake code can lead to denial of service (bsc#1250984). ## 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: * openSUSE Leap 15.3 zypper in -t patch SUSE-2026-356=1 * SUSE Linux Enterprise Micro 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-356=1 * SUSE Linux Enterprise Micro for Rancher 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-356=1 ## Package List: * openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586) * qemu-extra-debuginfo-5.2.0-150300.142.1 * qemu-block-gluster-5.2.0-150300.142.1 * qemu-s390x-debuginfo-5.2.0-150300.142.1

Topics%20covered

Topics Covered

security advisory denial of service SuSE important QEMU OpenSUSE

References

* bsc#1250984

Cross-

* CVE-2025-11234

CVSS scores:

* CVE-2025-11234 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-11234 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-11234 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* openSUSE Leap 15.3

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro for Rancher 5.2

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-11234.html

* https://bugzilla.suse.com/show_bug.cgi?id=1250984

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0356-1
Release Date: 2026-02-01T21:18:57Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important QEMU OpenSUSE

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