SUSE-RU-2026:21146-1: moderate: Recommended update for umoci

[SLE-UPDATES]

# Recommended update for umoci

Announcement ID: SUSE-RU-2026:21146-1  
Release Date: 2026-04-09T11:07:42Z  
Rating: moderate  
References:

  * bsc#1249450
  * bsc#1252025

  
Affected Products:

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

  
  
An update that has two fixes can now be installed.

## Description:

This update for umoci fixes the following issues:

Update to umoci v0.6.0. Upstream changelog is available from
<https://github.com/opencontainers/umoci/releases/tag/v0.6.0> bsc#1252025

  * umoci now has automatic SOURCE_DATE_EPOCH support, improving the
    reproducibility of generated images.
  * "umoci stat" now provides more information about theimage.
  * "umoci config" now supports --platform.variant (architecture variants) which
    resolves issues with images on ARM (on ARM systems, "umoci new" will auto-
    fill the host CPU variant).

Update to umoci v0.5.1. Upstream changelog is available from

<https://github.com/opencontainers/umoci/releases/tag/v0.5.1> bsc#1249450

  * For images with an empty index.json, umoci will no longer incorrectly set
    the manifests entry to null.
  * umoci will now produce an error for images with negative-sized descriptors,
    based on recent discussions in the upstream image-spec.
  * Use go:embed to fill umoci --version information from VERSION.
  * Stop using oci-image-tools for integration tests, instead use some smoke
    tests and the docker-library-maintained meta-scripts.

## 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-16.0-496=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-496=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * umoci-0.6.0-160000.1.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * umoci-0.6.0-160000.1.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1249450
  * https://bugzilla.suse.com/show_bug.cgi?id=1252025

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