{"action":"Upgrade tcpflow to 1.5.2+repack1-1 or later.","affected":[{"fixed":"1.5.2+repack1-1","introduced":"0"}],"component":"tcpflow","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.5.2+repack1-1"],"id":"tcs_01M5ND78YPPCF9AHPC1NVGEM31","modified_at":"2026-10-23T18:03:02.910534033Z","published_at":"2018-10-17T04:29:00.893Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18409","https://security-tracker.debian.org/tracker/CVE-2018-18409"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18409#Debian:13/tcpflow","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-18409"}],"summary":"A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram"}