CVE-2026-42504 Affecting polaris package, versions <10.2.0-r5


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.56% (43rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-POLARIS-17166859
  • published5 Jun 2026
  • disclosed2 Jun 2026

Introduced: 2 Jun 2026

CVE-2026-42504  (opens in a new tab)

How to fix?

Upgrade Chainguard polaris to version 10.2.0-r5 or higher.

NVD Description

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

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

CVSS Base Scores

version 3.1