{"action":"Upgrade irssi to 1.0.7-1 or later.","affected":[{"fixed":"1.0.7-1","introduced":"0"}],"component":"irssi","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.0.7-1"],"id":"tcs_01M5NDEMCBXT1RT9KMQ6WBTR0A","modified_at":"2026-10-23T18:04:48.160184176Z","published_at":"2018-01-06T16:29:00.297Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-5206","https://security-tracker.debian.org/tracker/CVE-2018-5206"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-5206#Debian:13/irssi","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-5206"}],"summary":"When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer."}