{"id":"UBUNTU-CVE-2022-35256","details":"The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF. This may result in HTTP Request Smuggling.","modified":"2026-04-22T13:25:21.934939Z","published":"2022-12-05T22:15:00Z","related":["USN-6491-1"],"upstream":["CVE-2022-35256"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-35256"},{"type":"REPORT","url":"https://nodejs.org/en/blog/vulnerability/september-2022-security-releases/#http-request-smuggling-due-to-incorrect-parsing-of-header-fields-medium-cve-2022-35256"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6491-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-35256"}],"affected":[{"package":{"name":"nodejs","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/nodejs@12.22.9~dfsg-1ubuntu3.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.22.9~dfsg-1ubuntu3.2"}]}],"versions":["12.22.5~dfsg-5ubuntu1","12.22.7~dfsg-2ubuntu1","12.22.7~dfsg-2ubuntu3","12.22.9~dfsg-1ubuntu2","12.22.9~dfsg-1ubuntu3","12.22.9~dfsg-1ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_version":"12.22.9~dfsg-1ubuntu3.2","binary_name":"libnode72"},{"binary_version":"12.22.9~dfsg-1ubuntu3.2","binary_name":"nodejs"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-35256.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}