NULL Pointer Dereference Affecting nerdctl package, versions <0:2.2.2-1.amzn2.0.3


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-AMZN2-NERDCTL-17286475
  • published10 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39835  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 nerdctl to version 0:2.2.2-1.amzn2.0.3 or higher.
This issue was patched in ALAS2-2026-3334.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nerdctl package and not the nerdctl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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.

CVSS Base Scores

version 3.1