{"schema":"threatline.record/2","record":{"id":"CVE-2026-78667","aliases":[],"summary":"Lack of limit on size of parsed Range headers in net/http","details":"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.","categories":["Unclassified"],"product":"net/http","vendor":"Go standard library","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78667","source_modified_at":"2026-10-09T16:12:53.569Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"net/http","vendor":"Go standard library","versions":[{"version":"0","lessThan":"1.26.9","status":"affected","versionType":"semver"},{"version":"1.27.0-0","lessThan":"1.27.2","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78667","source_modified_at":"2026-10-09T16:12:53.569Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"net/http","ecosystem":null},"version":"1.26.9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78667","source_modified_at":"2026-10-09T16:12:53.569Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"net/http","ecosystem":null},"version":"1.27.2","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00379,"percentile":0.30752,"score_date":"2026-10-23"},"published_at":"2026-10-08T22:53:59.148Z","modified_at":"2026-10-09T16:12:53.569Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-78667","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-09T16:12:53.569Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-78667","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://go.dev/cl/847309"},{"source":"CVE List","url":"https://go.dev/issue/81858"},{"source":"CVE List","url":"https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"},{"source":"CVE List","url":"https://pkg.go.dev/vuln/GO-2026-6609"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-09T16:12:49.383383Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-09T16:12:53.569Z","content_hash":"9e56e2af3016c4dbe0b4065ed29e284d538e906a0568141aff76fb8055b210eb"}}