NULL Pointer Dereference Affecting opensearch-datasource package, versions <2.33.1-r2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.59% (44th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-OPENSEARCHDATASOURCE-16744795
  • published18 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39836  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Chainguard opensearch-datasource to version 2.33.1-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensearch-datasource package and not the opensearch-datasource package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

CVSS Base Scores

version 3.1