CVE-2026-56848 Affecting nodejs:22/npm package, versions <1:10.9.8-1.22.23.2.1.module_el9.8.0+302+959ebcd4


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.49% (40th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX9-NODEJS-19496999
  • published2 Sept 2026
  • disclosed2 Sept 2026

Introduced: 2 Sep 2026

CVE-2026-56848  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 nodejs:22/npm to version 1:10.9.8-1.22.23.2.1.module_el9.8.0+302+959ebcd4 or higher.
This issue was patched in ALSA-2026:61383.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs:22/npm package and not the nodejs:22/npm package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A flaw in Node.js HTTP/2 handling allows nghttp2_session_mem_send() to be called re-entrantly while nghttp2_session_mem_recv() is executing, resulting in a heap-use-after-free.

This vulnerability affects Node.js 26.x, 24.x, and 22.x.

CVSS Base Scores

version 3.1