CVEvulnerability

CVE-2026-56848

7.5 HIGH Published 2026-08-04 Modified 2026-10-24 Official page ↗
Status
Awaiting Analysis
Published
2026-08-04
Last modified
2026-10-24
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-416

Description

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**.

Related

Weakness · CWE (1)

References