SUSE-SU-2026:21826-1: important: Security update for libsndfile

[SLE-UPDATES]

# Security update for libsndfile

Announcement ID: SUSE-SU-2026:21826-1  
Release Date: 2026-05-22T08:43:04Z  
Rating: important  
References:

  * bsc#1248458
  * bsc#1256702
  * bsc#1263695

  
Cross-References:

  * CVE-2025-52194
  * CVE-2025-56226
  * CVE-2026-37555

  
CVSS scores:

  * CVE-2025-52194 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-52194 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-52194 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-56226 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-56226 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-56226 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-37555 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-37555 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-37555 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for libsndfile fixes the following issues

  * CVE-2025-52194: buffer overflow in the ircam_read_header function of file
    src/ircam.c when processing malformed IRCAM audio files (bsc#1248458).
  * CVE-2025-56226: memory leak in the `mpeg_l3_encoder_init()` function of
    `mpeg_l3_encode.c` (bsc#1256702).
  * CVE-2026-37555: IMA-ADPCM integer overflow (bsc#1263695).

Changes for libsndfile:

## 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-16.0-793=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-793=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libsndfile1-1.2.2-160000.4.1
    * libsndfile1-debuginfo-1.2.2-160000.4.1
    * libsndfile-debugsource-1.2.2-160000.4.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libsndfile1-1.2.2-160000.4.1
    * libsndfile1-debuginfo-1.2.2-160000.4.1
    * libsndfile-debugsource-1.2.2-160000.4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-52194.html
  * https://www.suse.com/security/cve/CVE-2025-56226.html
  * https://www.suse.com/security/cve/CVE-2026-37555.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1248458
  * https://bugzilla.suse.com/show_bug.cgi?id=1256702
  * https://bugzilla.suse.com/show_bug.cgi?id=1263695

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