{"action":"Upgrade hexchat to 2.12.4-4 or later.","affected":[{"fixed":"2.12.4-4","introduced":"0"}],"component":"hexchat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.12.4-4"],"id":"tcs_01M5NBGET38FQTHG4CCZWWGQP8","modified_at":"2026-09-22T07:03:03.717114061Z","published_at":"2017-01-18T17:59:00.327Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-2087","https://security-tracker.debian.org/tracker/CVE-2016-2087"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-2087","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-2087"}],"summary":"Directory traversal vulnerability in the client in HexChat 2.11.0 allows remote IRC servers to read or modify arbitrary files via a .. (dot dot) in the server name."}