{"id":"CVE-2023-29013","aliases":["GHSA-7hj9-rv74-5g92"],"url":"https://o3.security/vulnerability/CVE-2023-29013","summary":"HTTP header parsing could cause a deny of service","details":"### Impact\n\nThere is a vulnerability in [Go when parsing the HTTP headers](https://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ), which impacts Traefik.\nHTTP 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.\n\n### References\n\n- [CVE-2023-24534](https://www.cve.org/CVERecord?id=CVE-2023-24534)\n\n### Patches\n- https://github.com/traefik/traefik/releases/tag/v2.9.10\n- https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2\n\n### Workarounds\n\nNo workaround.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).","published":"2023-04-14T18:15:12.622Z","modified":"2026-08-12T03:51:49.173651572Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.01085,"percentile":0.62607,"asOf":"2026-08-19"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","fixedVersion":"2.9.10"},{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","fixedVersion":"2.10.0-rc2"}],"fix":{"url":"https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49","label":"traefik/traefik@4ed3964"},"references":[{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.9.10"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29013.json"},{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29013"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230517-0008/"},{"type":"FIX","url":"https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-8v5j-pwr7-w5f8"},{"type":"PACKAGE","url":"https://github.com/traefik/traefik"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20230517-0008"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:49.173651572Z"}}