CVE-2026-42499 Affecting k3s package, versions <1.35.3.1-r8


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.03% (9th percentile)

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  • Snyk IDSNYK-WOLFILATEST-K3S-16631453
  • published11 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

NewCVE-2026-42499  (opens in a new tab)

How to fix?

Upgrade Wolfi k3s to version 1.35.3.1-r8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream k3s package and not the k3s package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.