Description
Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server's `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11.
Published: 2024-04-19
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2024-1125 Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server's `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11.
Github GHSA Github GHSA GHSA-6g7w-8wpp-frhj Denial of Service Vulnerability in Rustls Library
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0004}

epss

{'score': 0.00147}


Subscriptions

Rustls Project Rustls
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-02T02:13:40.195Z

Reserved: 2024-04-16T14:15:26.876Z

Link: CVE-2024-32650

cve-icon Vulnrichment

Updated: 2024-04-22T14:56:20.057Z

cve-icon NVD

Status : Deferred

Published: 2024-04-19T16:15:10.940

Modified: 2026-04-15T00:35:42.020

Link: CVE-2024-32650

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses