{"id":"DEBIAN-CVE-2026-103431","details":"colmux in collectl before 4.3.20.2 does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances before displaying it, allowing a local user on a monitored host to inject escape sequences into the terminal of an operator running colmux, via a crafted process name (argv[0]).","modified":"2026-10-03T01:00:08.201128279Z","published":"2026-10-01T09:17:07.717Z","upstream":["CVE-2026-103431"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-103431"}],"affected":[{"package":{"name":"collectl","ecosystem":"Debian:12","purl":"pkg:deb/debian/collectl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-1","4.3.20.1-1","4.3.20.1-2","4.3.20.2-1","4.3.6-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"}},{"package":{"name":"collectl","ecosystem":"Debian:13","purl":"pkg:deb/debian/collectl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-1","4.3.20.1-1","4.3.20.1-2","4.3.20.2-1","4.3.6-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"}},{"package":{"name":"collectl","ecosystem":"Debian:14","purl":"pkg:deb/debian/collectl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-1","4.3.20.1-1","4.3.20.1-2","4.3.20.2-1","4.3.6-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103431.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}