Servers and applications
CVE-2023-29013
HTTP header parsing could cause a deny of service
- Severity
- High 7.5
- Published
- 11 Apr 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2.9.10, 2.10.0-rc2
- Also known as
- GHSA-7hj9-rv74-5g92
- Sources
- NVD, Project advisories (GitHub)
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…
Affected software
| Software | Affected versions |
|---|---|
TraefikServers and applications · cpe:a:traefik:traefik |
|
TraefikServers and applications · github:traefik/traefik |
|
References
- NVD https://nvd.nist.gov/vuln/detail/CVE-2023-29013
- CVE.org https://www.cve.org/CVERecord?id=CVE-2023-29013
- GitHub Advisory Database https://github.com/advisories/GHSA-7hj9-rv74-5g92
- github.com https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92