CVE-2023-29013: high-severity vulnerability in traefik
HTTP header parsing could cause a deny of service
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.1%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
traefik · traefikRelated CVEs — traefik
In the same product, most dangerous first.
CVE-2026-85595CRITICALTraefik before v2.11.55 and v3.0.0 through v3.7.10 Authentication Bypass via digestAuthEPSS 2.5%CVE-2022-23632HIGHTraefik skips the router TLS configuration when the host header is an FQDNEPSS 1.7%CVE-2024-45410CRITICALHTTP client can remove the X-Forwarded headers in TraefikEPSS 1.5%CVE-2025-54386HIGHTraefik's Client Plugin is Vulnerable to Path Traversal, Arbitrary File Overwrites and Remote Code ExecutionEPSS 1.4%CVE-2022-39271HIGHTraefik HTTP/2 connections management could cause a denial of serviceEPSS 1.4%CVE-2023-47633HIGHUncontrolled Resource Consumption in TraefikEPSS 1.3%
References
https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2https://github.com/traefik/traefik/releases/tag/v2.9.10https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92https://security.netapp.com/advisory/ntap-20230517-0008/