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🛡️ SUSE-SU-2025:02282-1 — umoci (CVE-2021-41190)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for umoci

This update for umoci fixes the following issues:

Update to umoci v0.5.0. Upstream changelog is available from

<https://github.com/opencontainers/umoci/releases/tag/v0.5.0> bsc#1243388

A security flaw was found in the OCI image-spec, where it is possible to

cause a blob with one media-type to be interpreted as a different media-type.

As umoci is not a registry nor does it handle signatures, this vulnerability

had no real impact on umoci but for safety we implemented the now-recommended

media-type embedding and verification. CVE-2021-41190

Other changes in this release:

  • Several large reworks and API-related changes to the umoci's overlayfs

support. This is only available to Go API users.

  • The runtime-spec config.json generated by umoci is updated to be more

modern and work properly with modern runc versions.

  • The default gzip compression blocksize has been adjusted to match Docker.
  • zstd-compressed images are now fully supported. Users can explcitily

request the compression algorithm for newly-generated layers with the

--compress option.

Affected software

SUSE-SU-2025:02282-1 is recorded against 1 package.

  • umoci (fixed in 0.5.0-150000.3.15.1)

Timeline and source

Published on 11 July 2025 and last revised on 12 July 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.suse.com (Advisory)
bugzilla.suse.com (Report)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-07-11
Updated 2026-08-20
Modified 2025-07-12
Fix URL N/A

Affected Packages

Software From version Fixed in
umoci — 0.5.0-150000.3.15.1

Similar Threats

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