Improper Certificate Validation Affecting osbuild-composer-worker package, versions <0:176-1.0.2.el10_2


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-ORACLE10-OSBUILDCOMPOSERWORKER-19686865
  • published11 Sept 2026
  • disclosed8 Apr 2026

Introduced: 8 Apr 2026

CVE-2026-33810  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Oracle:10 osbuild-composer-worker to version 0:176-1.0.2.el10_2 or higher.
This issue was patched in ELSA-2026-65895-0.

NVD Description

Note: Versions mentioned in the description apply only to the upstream osbuild-composer-worker package and not the osbuild-composer-worker package as distributed by Oracle. See How to fix? for Oracle:10 relevant fixed versions and status.

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.

References

CVSS Base Scores

version 3.1