CVE-2026-56846 Affecting nodejs package, versions <1:24.19.0-1.module+el9.8.0+91009+5d530ccd


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.5% (41st percentile)

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  • Snyk IDSNYK-ORACLE9-NODEJS-19500686
  • published2 Sept 2026
  • disclosed4 Aug 2026

Introduced: 4 Aug 2026

CVE-2026-56846  (opens in a new tab)

How to fix?

Upgrade Oracle:9 nodejs to version 1:24.19.0-1.module+el9.8.0+91009+5d530ccd or higher.
This issue was patched in ELSA-2026-61386-0.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs package and not the nodejs package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion.

This vulnerability affects Node.js 24.x and 22.x.

CVSS Base Scores

version 3.1