CVE-2023-6180

Resource exhaustion via memory leak in tokio-boring

State: Published
Severity: 5.3 Medium
Published: Dec 5, 2023
Updated: Aug 2, 2024
Reserved: Nov 16, 2023

Description

The tokio-boring library in version 4.0.0 is affected by a memory leak issue that can lead to excessive resource consumption and potential DoS by resource exhaustion. The set_ex_data function used by the library did not deallocate memory used by pre-existing data in memory each time after completing a TLS connection causing the program to consume more resources with each new connection.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	cloudflare

Weaknesses

CWE-400 Uncontrolled Resource Consumption
CWE-404 Improper Resource Shutdown or Release

Affected Products

Product	Versions
tokio-boringCloudflare	4.0.0 through 4.1.0Affected

References

https://github.com/cloudflare/boring/security/advisories/GHSA-pjrj-h4fg-6gm4

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.