CVE-2026-56846 Affecting v8-12.4-devel package, versions <3:12.4.254.21-1.22.23.2.1.module+el8.10.0+91012+ae4911b6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.5% (41st percentile)

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  • Snyk IDSNYK-ORACLE8-V8124DEVEL-19514642
  • published3 Sept 2026
  • disclosed4 Aug 2026

Introduced: 4 Aug 2026

CVE-2026-56846  (opens in a new tab)

How to fix?

Upgrade Oracle:8 v8-12.4-devel to version 3:12.4.254.21-1.22.23.2.1.module+el8.10.0+91012+ae4911b6 or higher.
This issue was patched in ELSA-2026-62219-0.

NVD Description

Note: Versions mentioned in the description apply only to the upstream v8-12.4-devel package and not the v8-12.4-devel package as distributed by Oracle. See How to fix? for Oracle: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