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.
History

Mon, 12 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.  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.
Title Denial of Service in gRPC Core Denial of Service in gRPC Core

Wed, 25 Sep 2024 18:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Google

Published: 2023-09-13T16:31:55.664Z

Updated: 2026-01-12T15:34:12.725Z

Reserved: 2023-09-06T04:50:57.530Z

Link: CVE-2023-4785

cve-icon Vulnrichment

Updated: 2024-08-02T07:38:00.495Z

cve-icon NVD

Status : Modified

Published: 2023-09-13T17:15:10.227

Modified: 2026-01-12T16:16:03.493

Link: CVE-2023-4785

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-09-14T00:00:00Z

Links: CVE-2023-4785 - Bugzilla