CVE-2025-12183 Affecting ranger package, versions <2.9.0-r5


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.7% (51st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RANGER-19520090
  • published4 Sept 2026
  • disclosed28 Nov 2025

Introduced: 28 Nov 2025

CVE-2025-12183  (opens in a new tab)

How to fix?

Upgrade Chainguard ranger to version 2.9.0-r5 or higher.

NVD Description

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

Out-of-bounds memory operations in org.lz4:lz4-java 1.8.0 and earlier allow remote attackers to cause denial of service and read adjacent memory via untrusted compressed input.

CVSS Base Scores

version 3.1