{"action":"Upgrade python-tornado to 2.1.0-3 or later.","affected":[{"fixed":"2.1.0-3","introduced":"0"}],"component":"python-tornado","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.1.0-3"],"id":"tcs_01M5NA1HHD9BBMS1TX8YNTPYRK","modified_at":"2026-10-23T17:47:30.632965310Z","published_at":"2012-05-23T20:55:01.727Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-2374","https://security-tracker.debian.org/tracker/CVE-2012-2374"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-2374#Debian:14/python-tornado","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-2374"}],"summary":"CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting"}