{"id":"CVE-2020-10109","details":"In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.","aliases":["GHSA-p5xh-vx83-mxcj","PYSEC-2020-260"],"modified":"2026-04-10T04:18:29.559813Z","published":"2020-03-12T13:15:12.370Z","related":["MGASA-2020-0428","SUSE-SU-2022:2811-1","SUSE-SU-2022:2822-1","openSUSE-SU-2024:11041-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202007-24"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4308-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4308-2/"},{"type":"ADVISORY","url":"https://know.bishopfox.com/advisories/twisted-version-19.10.0"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html"},{"type":"EVIDENCE","url":"https://know.bishopfox.com/advisories"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/twisted/twisted","events":[{"introduced":"0"},{"last_affected":"c0a51509974e995537212efc5074140388585da6"},{"introduced":"0"},{"last_affected":"638fac5a426319dddd232d9d11d88892b9330d0f"},{"introduced":"0"},{"last_affected":"c0a51509974e995537212efc5074140388585da6"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"19.10.0"},{"introduced":"0"},{"last_affected":"9.0"},{"introduced":"0"},{"last_affected":"19.10"}]}}],"versions":["before-black","twisted-19.10.0","twisted-9.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10109.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"31"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}