Deserialization of Untrusted Data Affecting distribution-registry package, versions <3.1.1-160000.1.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.72% (52nd percentile)

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  • Snyk IDSNYK-SLES1600-DISTRIBUTIONREGISTRY-17439692
  • published24 Jun 2026
  • disclosed18 Jun 2026

Introduced: 18 Jun 2026

CVE-2026-39832  (opens in a new tab)
CWE-502  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 distribution-registry to version 3.1.1-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream distribution-registry package and not the distribution-registry package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.

References

CVSS Base Scores

version 3.1