CVE-2026-21714

描述

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerability affects HTTP2 users on Node.js 20, 22, 24 and 25.

如何修補 CVE-2026-21714

要修補 CVE-2026-21714,請將受影響套件升級到下列已修補版本。

• —升級至 22.22.2-r0 或更新版本
• —升級至 20.20.2 或更新版本
• —升級至 20.20.2 或更新版本
• —升級至 12.22.12~dfsg-1~deb11u8 或更新版本

CVE-2026-21714 正在被利用嗎?

低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。

受影響套件(4)

• from 0, < 22.22.2-r0
• from 0, < 20.20.2, >= 21.0.0, < 22.22.2, >= 23.0.0, < 24.14.1, >= 25.0.0, < 25.8.2
• from 0, < 20.20.2, >= 21.0.0, < 22.22.2, >= 23.0.0, < 24.14.1, >= 25.0.0, < 25.8.2
• from 0, < 12.22.12~dfsg-1~deb11u8

CVSS 分數

參考連結(4)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2026-21714
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2026-21714
• WEBnodejs.org/en/blog/vulnerability/march-2026-security-releases
• WEBnvd.nist.gov/vuln/detail/CVE-2026-21714