CVE-2026-56859 Affecting nemo package, versions <2.7.3-r26


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.57% (45th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NEMO-19530579
  • published4 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56859  (opens in a new tab)

How to fix?

Upgrade Chainguard nemo to version 2.7.3-r26 or higher.

NVD Description

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

Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.

CVSS Base Scores

version 3.1