{"id":"BIT-node-min-2026-21714","details":"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.\r\n\r\nThis vulnerability affects HTTP2 users on Node.js 20, 22, 24 and 25.","aliases":["BIT-node-2026-21714","CVE-2026-21714"],"modified":"2026-04-06T08:41:21.830930453Z","published":"2026-04-06T07:58:52.955Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://nodejs.org/en/blog/vulnerability/march-2026-security-releases"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21714"}],"affected":[{"package":{"name":"node-min","ecosystem":"Bitnami","purl":"pkg:bitnami/node-min"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"20.20.2"},{"introduced":"21.0.0"},{"fixed":"24.14.1"},{"introduced":"25.0.0"},{"fixed":"25.8.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/node-min/BIT-node-min-2026-21714.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}],"schema_version":"1.7.5"}