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.
nghttp2_session_mem_send()
nghttp2_session_mem_recv()
This vulnerability affects Node.js 26.x, 24.x, and 22.x.
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-56848.json"