{"id":"CVE-2022-1705","state":"PUBLISHED","title":"Improper sanitization of Transfer-Encoding headers in net/http","description":"Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.","publishedAt":"2022-08-09T20:16:57.000Z","updatedAt":"2026-03-06T17:46:56.094Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"Go","products":["Go standard library net/http"],"affected":[{"vendor":"Go standard library","product":"net/http","packageName":"net/http","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.17.12","versionType":"semver"},{"version":"1.18.0-0","status":"affected","lessThan":"1.18.4","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"transferReader.parseTransferEncoding"}]}],"references":["https://go.dev/cl/409874","https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f","https://go.dev/issue/53188","https://go.dev/cl/410714","https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE","https://pkg.go.dev/vuln/GO-2022-0525"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:29.138Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/1xxx/CVE-2022-1705.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-1705","state":"PUBLISHED","datePublished":"2022-08-09T20:16:57.000Z","dateUpdated":"2026-03-06T17:46:56.094Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2022-05-13T00:00:00.000Z"},"containers":{"cna":{"title":"Improper sanitization of Transfer-Encoding headers in net/http","descriptions":[{"lang":"en","value":"Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid."}],"affected":[{"vendor":"Go standard library","product":"net/http","packageName":"net/http","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.17.12","versionType":"semver"},{"version":"1.18.0-0","status":"affected","lessThan":"1.18.4","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"transferReader.parseTransferEncoding"}]}],"references":[{"url":"https://go.dev/cl/409874"},{"url":"https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f"},{"url":"https://go.dev/issue/53188"},{"url":"https://go.dev/cl/410714"},{"url":"https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE"},{"url":"https://pkg.go.dev/vuln/GO-2022-0525"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2023-06-12T19:04:43.089Z"},"credits":[{"lang":"en","value":"Zeyu Zhang (https://www.zeyu2001.com/)"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://go.dev/cl/409874","tags":["x_transferred"]},{"url":"https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f","tags":["x_transferred"]},{"url":"https://go.dev/issue/53188","tags":["x_transferred"]},{"url":"https://go.dev/cl/410714","tags":["x_transferred"]},{"url":"https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE","tags":["x_transferred"]},{"url":"https://pkg.go.dev/vuln/GO-2022-0525","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T00:10:03.918Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-24T20:38:47.035806Z","id":"CVE-2022-1705","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-06T17:46:56.094Z"}}]}}}