Improper Certificate Validation Affecting containers-common package, versions <2:1-82.module+el8.10.0+40133+32c21f88


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.5% (41st percentile)

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  • Snyk IDSNYK-ROCKY8-CONTAINERSCOMMON-17961509
  • published14 Jul 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39835  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 containers-common to version 2:1-82.module+el8.10.0+40133+32c21f88 or higher.
This issue was patched in RLSA-2026:38504.

NVD Description

Note: Versions mentioned in the description apply only to the upstream containers-common package and not the containers-common package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.

References

CVSS Base Scores

version 3.1