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openSUSE Leap 16.0 libaom Important Buffer Overflow and RCE 2026-21061-1

opensuse
Calendar Grey June 30, 2026
Dist Opensuse Esm H88
Important openSUSE security update addressing multiple vulnerabilities in libaom with patching instructions.
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

Topics%20covered

Topics Covered

security advisory buffer overflow remote code execution important OpenSUSE libaom

Patch

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

* bsc#1268650

* bsc#1268651

* bsc#1268653

* bsc#1268655

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21061-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory buffer overflow remote code execution important OpenSUSE libaom

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