{"id":"GHSA-7jmw-8259-q9jx","aliases":["GO-2024-2917"],"status":"published","title":"Traefik has unexpected behavior with IPv4-mapped IPv6 addresses","description":"### Impact\n\nThere is a vulnerability in [Go managing various Is methods (IsPrivate, IsLoopback, etc) for IPv4-mapped IPv6 addresses](https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ).\n\nThey didn't work as expected returning false for addresses which would return true in their traditional IPv4 forms.\n\n### References\n\n- [CVE-2024-24790](https://www.cve.org/CVERecord?id=CVE-2024-24790)\n\n### Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.4\n- https://github.com/traefik/traefik/releases/tag/v3.0.2\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).","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-180"],"published":"2024-06-11T19:29:43Z","modified":"2026-08-07T08:12:29Z","fixes":[{"ecosystem":"Go","package":"github.com/traefik/traefik/v3","fixed_in":["3.0.2"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/traefik/traefik/v2","fixed_in":["2.11.4"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/traefik/traefik","fixed_in":["2.11.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.0.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.0.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.4"}]}]},{"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":"2.11.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.0.2"}]}]}],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-7jmw-8259-q9jx","tags":["web","advisory"]},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.4","tags":["web"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.0.2","tags":["web"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-24790","tags":["web"]},{"url":"https://pkg.go.dev/vuln/GO-2024-2917","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7jmw-8259-q9jx"},{"url":"https://github.com/traefik/traefik","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-7jmw-8259-q9jx","title":"Traefik has unexpected behavior with IPv4-mapped IPv6 addresses","description":"### Impact\n\nThere is a vulnerability in [Go managing various Is methods (IsPrivate, IsLoopback, etc) for IPv4-mapped IPv6 addresses](https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ).\n\nThey didn't work as expected returning false for addresses which would return true in their traditional IPv4 forms.\n\n### References\n\n- [CVE-2024-24790](https://www.cve.org/CVERecord?id=CVE-2024-24790)\n\n### Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.4\n- https://github.com/traefik/traefik/releases/tag/v3.0.2\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).","status":"published","published":"2024-06-11T19:29:43Z","modified":"2024-06-17T15:28:40Z","cwes":["CWE-180"],"updated_at":"2026-11-02T14:37:54.624184Z"}],"osv":[{"id":"GHSA-7jmw-8259-q9jx","title":"Traefik has unexpected behavior with IPv4-mapped IPv6 addresses","description":"### Impact\n\nThere is a vulnerability in [Go managing various Is methods (IsPrivate, IsLoopback, etc) for IPv4-mapped IPv6 addresses](https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ).\n\nThey didn't work as expected returning false for addresses which would return true in their traditional IPv4 forms.\n\n### References\n\n- [CVE-2024-24790](https://www.cve.org/CVERecord?id=CVE-2024-24790)\n\n### Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.4\n- https://github.com/traefik/traefik/releases/tag/v3.0.2\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).","status":"published","published":"2024-06-11T19:29:43Z","modified":"2026-08-07T08:12:16.439545359Z","cwes":["CWE-180"],"updated_at":"2026-11-02T15:46:41.002603Z"},{"id":"GO-2024-2917","title":"Traefik has unexpected behavior with IPv4-mapped IPv6 addresses in github.com/traefik/traefik","description":"Traefik has unexpected behavior with IPv4-mapped IPv6 addresses in github.com/traefik/traefik","status":"published","published":"2024-06-14T13:41:08Z","modified":"2026-08-07T08:12:29.106158256Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}