CVE-2026-56846 Affecting nodejs:24/v8-13.6-devel package, versions <3:13.6.233.17-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.5% (41st percentile)

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  • Snyk IDSNYK-ALMALINUX8-NODEJS-19526567
  • published4 Sept 2026
  • disclosed2 Sept 2026

Introduced: 2 Sep 2026

CVE-2026-56846  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 nodejs:24/v8-13.6-devel to version 3:13.6.233.17-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a or higher.
This issue was patched in ALSA-2026:62583.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs:24/v8-13.6-devel package and not the nodejs:24/v8-13.6-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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