CVE-2025-47911 Affecting runc package, versions <1.4.0-r3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RUNC-15266311
  • published12 Feb 2026
  • disclosed5 Feb 2026

Introduced: 5 Feb 2026

NewCVE-2025-47911  (opens in a new tab)

How to fix?

Upgrade Chainguard runc to version 1.4.0-r3 or higher.

NVD Description

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

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

CVSS Base Scores

version 3.1