SUSE-SU-2026:22369-1: important: Security update for libaom

[SLE-UPDATES]

# Security update for libaom

Announcement ID: SUSE-SU-2026:22369-1  
Release Date: 2026-06-25T19:32:50Z  
Rating: important  
References:

  * bsc#1268650
  * bsc#1268651
  * bsc#1268653
  * bsc#1268655

  
Cross-References:

  * CVE-2026-56208
  * CVE-2026-56209
  * CVE-2026-56210
  * CVE-2026-56211

  
CVSS scores:

  * CVE-2026-56208 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56208 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
  * CVE-2026-56208 ( NVD ):  7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2026-56208 ( NVD ):  7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2026-56209 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56209 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
  * CVE-2026-56209 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
  * CVE-2026-56209 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
  * CVE-2026-56210 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56210 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-56210 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-56210 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-56211 ( SUSE ):  7.5
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56211 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-56211 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
  * CVE-2026-56211 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H

  
Affected Products:

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

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for libaom fixes the following issues

  * CVE-2026-56208: untrusted encoder configuration inputs can lead to a heap-
    based buffer overflow and a process crash (bsc#1268650).
  * CVE-2026-56209: crafted video frames with specific Y-plane pixel values can
    lead to an arbitrary memory write (bsc#1268651).
  * CVE-2026-56210: missing bounds check on layer_id inputs can lead to an out-
    of-bounds heap read (bsc#1268653).
  * CVE-2026-56211: out-of-range spatial/temporal layer selection can lead to
    remote code execution (bsc#1268655).

## 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 for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1082=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1082=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libaom3-debuginfo-3.11.0-160000.3.1
    * aom-tools-3.11.0-160000.3.1
    * aom-tools-debuginfo-3.11.0-160000.3.1
    * libaom-debugsource-3.11.0-160000.3.1
    * libaom3-3.11.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libaom3-debuginfo-3.11.0-160000.3.1
    * aom-tools-3.11.0-160000.3.1
    * aom-tools-debuginfo-3.11.0-160000.3.1
    * libaom-debugsource-3.11.0-160000.3.1
    * libaom3-3.11.0-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-56208.html
  * https://www.suse.com/security/cve/CVE-2026-56209.html
  * https://www.suse.com/security/cve/CVE-2026-56210.html
  * https://www.suse.com/security/cve/CVE-2026-56211.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268650
  * https://bugzilla.suse.com/show_bug.cgi?id=1268651
  * https://bugzilla.suse.com/show_bug.cgi?id=1268653
  * https://bugzilla.suse.com/show_bug.cgi?id=1268655

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