{"id":"CVE-2026-78667","revision":"433cd18656cc47b7b43757453c16c60b","records":[{"revision":"433cd18656cc47b7b43757453c16c60b","observedAt":"2026-10-25T16:19:04.694+00:00","statement":{"source":"nvd","id":"CVE-2026-78667","aliases":[],"title":"When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.","description":"When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.","state":0,"publishedAt":"2026-10-08T23:17:03.88+00:00","modifiedAt":"2026-10-09T17:16:49.69+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://go.dev/cl/847309","https://go.dev/issue/81858","https://groups.google.com/g/golang-announce/c/U2fTuyDJznI","https://pkg.go.dev/vuln/GO-2026-6609"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78667","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-770"],"productCriteria":[],"sourceDates":{"published":"2026-10-08T23:17:03.880","lastModified":"2026-10-09T17:16:49.690"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-78667","identifiers":["CVE-2026-78667"]},"retained":false,"historicalAffected":[]}],"coverage":[]}