CVE-2026-21714

CVE-2026-21714 is a memory leak in Node.js HTTP/2 that occurs when a client sends WINDOW_UPDATE frames on stream 0, preventing proper Http2Session cleanup and potentially exhausting resources. Affected: Node.js 20, 22, 24, and 25. Connected advisories report fixes in downstream distributions: e.g...

Missing Release of Memory after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in HTTP/2 servers that triggers when a client sends WINDOWUPDATE frames on stream 0 that cause the flow control window to exceed $2^31-1$. Although the server responds with a GOAWAY...