NULL Pointer Dereference Affecting cilium-fips-1.19 package, versions <1.19.4-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.62% (48th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-CILIUMFIPS119-16790859
  • published21 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39836  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Chainguard cilium-fips-1.19 to version 1.19.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cilium-fips-1.19 package and not the cilium-fips-1.19 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

CVSS Base Scores

version 3.1