CVE-2023-29013 HIGH

CVE-2023-29013: HTTP header parsing could cause a deny of service

Vendor Traefik
Product traefik
Weakness CWE-400
Published April 14, 2023
Last update February 13, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer for deploying microservices. There is a vulnerability in Go when parsing the HTTP headers, which impacts Traefik. HTTP header parsing could allocate substantially more memory than required to hold the parsed headers. This behavior could be exploited to cause a denial of service. This issue has been patched in versions 2.9.10 and 2.10.0-rc2.

Key dates

02Disclosure timeline

April 14, 2023 CVE published
February 13, 2025 Record updated