Out-of-Bounds Affecting fluxcd-source-controller package, versions <1.9.0-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-FLUXCDSOURCECONTROLLER-17377252
  • published19 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39830  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Minimos:latest fluxcd-source-controller to version 1.9.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fluxcd-source-controller package and not the fluxcd-source-controller package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

CVSS Base Scores

version 3.1