UBUNTU-CVE-2023-4785

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2023-4785
Published: 13 Sept 2023, 17:15
Last modified:20 May 2026, 16:13

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Sept 2023, 17:15
Published
Vulnerability first disclosed
20 May 2026, 16:13
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•grpc

    all | all | all | all | all | all | all

References (7)