Improper Certificate Validation Affecting apptainer package, versions <1.5.1-150600.4.24.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.57% (44th percentile)

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  • Snyk IDSNYK-SLES156-APPTAINER-17528659
  • published26 Jun 2026
  • disclosed24 Jun 2026

Introduced: 24 Jun 2026

CVE-2026-42508  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 apptainer to version 1.5.1-150600.4.24.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apptainer package and not the apptainer package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

References

CVSS Base Scores

version 3.1