{"id":"DEBIAN-CVE-2024-27983","details":"An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a TCP connection is abruptly closed by the client triggering the Http2Session destructor while header frames are still being processed (and stored in memory) causing a race condition.","modified":"2026-09-15T09:03:06.553582729Z","published":"2024-04-09T01:15:49.197Z","upstream":["CVE-2024-27983"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-27983"}],"affected":[{"package":{"name":"nodejs","ecosystem":"Debian:12","purl":"pkg:deb/debian/nodejs?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.20.4+dfsg-1~deb12u1"}]}],"versions":["18.13.0+dfsg1-1","18.13.0+dfsg1-1.1","18.19.0+dfsg-1","18.19.0+dfsg-2","18.19.0+dfsg-3","18.19.0+dfsg-4","18.19.0+dfsg-5","18.19.0+dfsg-6","18.19.0+dfsg-6~deb12u1","18.19.0+dfsg-6~deb12u2","18.19.1+dfsg-1","18.19.1+dfsg-2","18.19.1+dfsg-3","18.19.1+dfsg-3.1","18.19.1+dfsg-4","18.19.1+dfsg-6","18.20.1+dfsg-1","18.20.1+dfsg-2","18.20.1+dfsg-3","18.20.1+dfsg-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-27983.json"}},{"package":{"name":"nodejs","ecosystem":"Debian:13","purl":"pkg:deb/debian/nodejs?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.20.1+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-27983.json"}},{"package":{"name":"nodejs","ecosystem":"Debian:14","purl":"pkg:deb/debian/nodejs?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.20.1+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-27983.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"}]}