CVE-2023-29013

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.

• CWE-400
• CWE-400

• https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49Patch
• https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2Release Notes
• https://github.com/traefik/traefik/releases/tag/v2.9.10Release Notes
• https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92Vendor Advisory
• https://security.netapp.com/advisory/ntap-20230517-0008/Third Party Advisory
• https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49Patch
• https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2Release Notes
• https://github.com/traefik/traefik/releases/tag/v2.9.10Release Notes
• https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92Vendor Advisory
• https://security.netapp.com/advisory/ntap-20230517-0008/Third Party Advisory

Published

Apr 14, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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