{"action":"Upgrade libhtp to 1:0.5.31-1 or later.","affected":[{"fixed":"1:0.5.31-1","introduced":"0"}],"component":"libhtp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:0.5.31-1"],"id":"tcs_01M5NE0K8VSAB234G19E0PQQST","modified_at":"2026-09-21T07:00:40.779681133Z","published_at":"2019-10-10T01:06:09.560Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-17420","https://security-tracker.debian.org/tracker/CVE-2019-17420"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-17420#Debian:13/libhtp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-17420"}],"summary":"In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \\r\\n ending."}