{"id":"DEBIAN-CVE-2023-4785","details":"Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.","modified":"2026-09-15T09:02:46.628534371Z","published":"2023-09-13T17:15:10.227Z","upstream":["CVE-2023-4785"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-4785"}],"affected":[{"package":{"name":"grpc","ecosystem":"Debian:12","purl":"pkg:deb/debian/grpc?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.51.1-3","1.51.1-4","1.51.1-4.1","1.51.1-4.1~exp1","1.51.1-5","1.51.1-6","1.51.1-7","1.51.1-8","1.51.1-9","1.59.5-1","1.82.0-1","1.83.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4785.json"}},{"package":{"name":"grpc","ecosystem":"Debian:13","purl":"pkg:deb/debian/grpc?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.51.1-6","1.51.1-7","1.51.1-8","1.51.1-9","1.59.5-1","1.82.0-1","1.83.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4785.json"}},{"package":{"name":"grpc","ecosystem":"Debian:14","purl":"pkg:deb/debian/grpc?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.51.1-6","1.51.1-7","1.51.1-8","1.51.1-9","1.59.5-1","1.82.0-1","1.83.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4785.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}