Allocation of Resources Without Limits or Throttling Affecting nats-fips package, versions <0.4.0-r1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Social Trends
EPSS
0.78% (52nd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NATSFIPS-16643074
  • published13 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39820  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Chainguard nats-fips to version 0.4.0-r1 or higher.

NVD Description

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

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

CVSS Base Scores

version 3.1