{"action":"Upgrade fossil to 1:2.4-1 or later.","affected":[{"fixed":"1:2.4-1","introduced":"0"}],"component":"fossil","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:2.4-1"],"id":"tcs_01M5NC98FWH3PA6WV28R6RHVWS","modified_at":"2026-09-01T20:03:45.662128128Z","published_at":"2017-12-07T18:29:00.250Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-17459","https://security-tracker.debian.org/tracker/CVE-2017-17459"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-17459#Debian:13/fossil","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-17459"}],"summary":"http_transport.c in Fossil before 2.4, when the SSH sync protocol is used, allows user-assisted remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the host"}