{"cve":"CVE-2023-29013","nvd":{"published":"2023-04-14T19:15:09.127","modified":"2026-06-17T05:49:11.400","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49","https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2","https://github.com/traefik/traefik/releases/tag/v2.9.10","https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92","https://security.netapp.com/advisory/ntap-20230517-0008/"],"products":["traefik:traefik"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-29013","score":0.01085,"percentile":0.65258,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7hj9-rv74-5g92","url":"https://osv.dev/vulnerability/GHSA-7hj9-rv74-5g92","summary":"Traefik HTTP header parsing could cause a denial of service ","modified":"2026-09-10T03:49:53.644478029Z","packages":[{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","purl":"pkg:golang/github.com/traefik/traefik/v2","ranges":["<2.9.10"],"fixed":["2.9.10"]},{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","purl":"pkg:golang/github.com/traefik/traefik/v2","ranges":[">=2.10.0-rc1 <2.10.0-rc2"],"fixed":["2.10.0-rc2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}