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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.03255.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Traefik
  • Traefik

Configuration 1 [-]

OR cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:2.10.0:rc1:*:*:*:*:*:*

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-1226 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.
Github GHSA Github GHSA GHSA-7hj9-rv74-5g92 Traefik HTTP header parsing could cause a denial of service
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49 cve-icon cve-icon
https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2 cve-icon cve-icon
https://github.com/traefik/traefik/releases/tag/v2.9.10 cve-icon cve-icon
https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20230517-0008/ cve-icon cve-icon
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.03255}

 epss

{'score': 0.02367}

Thu, 13 Feb 2025 17:00:00 +0000

Type Values Removed Values Added
Description 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. 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.
Title HTTP header parsing could cause a deny of service HTTP header parsing could cause a deny of service

Thu, 06 Feb 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-02-13T16:48:58.656Z

Reserved: 2023-03-29T17:39:16.143Z

Link: CVE-2023-29013

cve-icon Vulnrichment

Updated: 2024-08-02T14:00:14.348Z

cve-icon NVD

Status : Modified

Published: 2023-04-14T19:15:09.127

Modified: 2025-02-13T17:16:17.370

Link: CVE-2023-29013

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.