{"id":"CVE-2024-28869","aliases":["EUVD-2024-1095","GHSA-4vwx-54mw-vqfw","GO-2024-2722","openSUSE-SU-2024:13927-1","openSUSE-SU-2024:14076-1"],"status":"published","title":"Possible denial of service vulnerability with Content-length header in Traefik","description":"Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the \"Content-length\" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01046,"percentile":0.6443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-404","CWE-755"],"published":"2024-04-12T17:05:13Z","modified":"2026-10-28T02:31:08Z","fixes":[{"ecosystem":"Go","package":"github.com/traefik/traefik/v3","fixed_in":["3.0.0-rc5"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/traefik/traefik/v2","fixed_in":["2.11.2"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/traefik/traefik","fixed_in":["2.11.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta3"},{"last_affected":"3.0.0-rc4"},{"fixed":"3.0.0-rc5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.11.1"},{"fixed":"2.11.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.11.1"},{"fixed":"2.11.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.0.0-rc5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.0.0-rc5"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"traefik","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.2-1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"traefik2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.5-1.1"}]}],"bundled":15}],"products":[{"vendor":"traefik","product":"traefik"}],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-4vwx-54mw-vqfw","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/traefik/traefik/commit/240b83b77351dfd8cadb91c305b84e9d22e0f9c6","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeouts","tags":["x_refsource_MISC","x_transferred","Product","web"]},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.2","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28869","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4vwx-54mw-vqfw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/28xxx/CVE-2024-28869.json","tags":["advisory"]},{"url":"https://github.com/traefik/traefik","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2023-45288","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-28869","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23469","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-41717","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-41724","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46153","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-24534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-29013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-39325","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-45283","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-45284","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-47106","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-47124","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-47633","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-24788","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2024-28869","title":"Possible denial of service vulnerability with Content-length header in Traefik","description":"Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the \"Content-length\" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.\n","status":"published","published":"2024-04-12T21:08:36.288Z","modified":"2024-08-02T00:56:58.412Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:34:18.597034Z"}],"euvd":[{"id":"EUVD-2024-1095","description":"Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the \"Content-length\" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.\n","status":"published","published":"2024-04-12T21:08:36Z","modified":"2024-08-02T00:56:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:26.166982Z"}],"ghsa":[{"id":"GHSA-4vwx-54mw-vqfw","title":"Traefik vulnerable to denial of service with Content-length header","description":"There is a potential vulnerability in Traefik managing requests with `Content-length` and no `body` .\n\nSending a `GET` request to any Traefik endpoint with the `Content-length` request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service.\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.2\n- https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5\n\n## Workarounds\n\nFor affected versions, this vulnerability can be mitigated by configuring the [readTimeout](https://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeouts) option.\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).","status":"published","published":"2024-04-12T17:05:13Z","modified":"2024-04-15T19:41:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-404","CWE-755"],"updated_at":"2026-11-02T14:37:43.62603Z"}],"nvd":[{"id":"CVE-2024-28869","description":"Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the \"Content-length\" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.\n","status":"published","published":"2024-04-12T22:15:07.08Z","modified":"2026-06-17T07:21:56.533Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:09:50.299382Z"}],"osv":[{"id":"CVE-2024-28869","title":"Possible denial of service vulnerability with Content-length header in Traefik","description":"Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the \"Content-length\" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.\n","status":"published","published":"2024-04-12T21:08:36.288Z","modified":"2026-10-28T02:31:08.221805493Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T15:44:40.06138Z"},{"id":"GHSA-4vwx-54mw-vqfw","title":"Traefik vulnerable to denial of service with Content-length header","description":"There is a potential vulnerability in Traefik managing requests with `Content-length` and no `body` .\n\nSending a `GET` request to any Traefik endpoint with the `Content-length` request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service.\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.2\n- https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5\n\n## Workarounds\n\nFor affected versions, this vulnerability can be mitigated by configuring the [readTimeout](https://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeouts) option.\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).","status":"published","published":"2024-04-12T17:05:13Z","modified":"2026-08-07T08:12:18.884950547Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-404","CWE-755"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"GO-2024-2722","title":"Traefik vulnerable to denial of service with Content-length header in github.com/traefik/traefik","description":"Traefik vulnerable to denial of service with Content-length header in github.com/traefik/traefik","status":"published","published":"2024-06-05T15:10:52Z","modified":"2026-08-07T08:12:03.787122662Z","updated_at":"2026-11-02T15:47:01.453823Z"},{"id":"openSUSE-SU-2024:13927-1","title":"traefik-2.11.2-1.1 on GA media","description":"These are all security issues fixed in the traefik-2.11.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:13:40.445233Z","updated_at":"2026-11-02T16:58:36.662953Z"},{"id":"openSUSE-SU-2024:14076-1","title":"traefik2-2.11.5-1.1 on GA media","description":"These are all security issues fixed in the traefik2-2.11.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-24T00:00:00Z","modified":"2026-02-04T03:57:47.885126Z","updated_at":"2026-11-02T16:58:36.662953Z"}]}}