CVE-2026-27143 Affecting rke2-runtime-1.34 package, versions <1.34.6.2.3-r1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RKE2RUNTIME134-16103985
  • published18 Apr 2026
  • disclosed8 Apr 2026

Introduced: 8 Apr 2026

NewCVE-2026-27143  (opens in a new tab)

How to fix?

Upgrade Chainguard rke2-runtime-1.34 to version 1.34.6.2.3-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rke2-runtime-1.34 package and not the rke2-runtime-1.34 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.

CVSS Base Scores

version 3.1