Improper Certificate Validation Affecting podman-docker package, versions <6:5.8.2-4.el9_8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.65% (50th percentile)

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  • Snyk IDSNYK-ROCKY9-PODMANDOCKER-17945693
  • published11 Jul 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

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

How to fix?

Upgrade Rocky-Linux:9 podman-docker to version 6:5.8.2-4.el9_8 or higher.
This issue was patched in RLSA-2026:37123.

NVD Description

Note: Versions mentioned in the description apply only to the upstream podman-docker package and not the podman-docker package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 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