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SUSE Alsa Moderate Double-Free Memory Corruption Vulnerability 2026-22381-1

suse
Calendar Grey July 1, 2026
Dist Suse Esm H88
A moderate security update for SUSE addresses a found double-free memory corruption issue in alsa.
An update that solves one vulnerability can now be installed.

Summary

## This update for alsa fixes the following issue * CVE-2026-56109: double-free vulnerability in parse_def() in src/conf.c that allows attackers to corrupt memory (bsc#1268853). ## 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: * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-1097=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1097=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) * libatopology2-1.2.14-160000.3.1 * libasound2-1.2.14-160000.3.1 * alsa-topology-devel-1.2.14-160000.3.1 * libasound2-debuginfo-1.2.14-160000.3.1

Topics%20covered

Topics Covered

security advisory moderate SuSE memory corruption double-free ALSA

References

* bsc#1268853

Cross-

* CVE-2026-56109

CVSS scores:

* CVE-2026-56109 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-56109 ( NVD ): 7.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-56109 ( NVD ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-56109.html

* https://bugzilla.suse.com/show_bug.cgi?id=1268853

Severity
moderate
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2026:22381-1
Release Date: 2026-06-28T08:50:00Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE memory corruption double-free ALSA

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