Bug 2510856 (CVE-2026-56846) - CVE-2026-56846 nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks
Summary: CVE-2026-56846 nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained ...
Keywords:
Status: NEW
Alias: CVE-2026-56846
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2512131 2512132
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-04 01:01 UTC by OSIDB Bzimport
Modified: 2026-08-10 10:29 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-08-04 01:01:36 UTC 
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**.
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