SUSE alert openSUSE-SU-2026:21061-1 (libaom)

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openSUSE-SU-2026:21061-1: important: Security update for libaom
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Tue, 30 Jun 2026 09:48:09 +0200
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<20260630074809.DF1D2FF86@maintenance.suse.de>
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Article
openSUSE security update: security update for libaom
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21061-1
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 ): 7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
  * CVE-2026-56208 ( SUSE ): 6 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-2026-56209 ( 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 ( SUSE ): 7 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-2026-56210 ( 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 ( SUSE ): 7 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-2026-56211 ( 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 ( 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 4 vulnerabilities and has 4 bug fixes 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 openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-1082=1

Package List:

- openSUSE Leap 16.0:

  aom-tools-3.11.0-160000.3.1
  libaom-devel-3.11.0-160000.3.1
  libaom-devel-doc-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