{"action":"Upgrade ircd-ircu to 2.10.12.10.dfsg1-1 or later.","affected":[{"fixed":"2.10.12.10.dfsg1-1","introduced":"0"}],"component":"ircd-ircu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.10.12.10.dfsg1-1"],"id":"tcs_01M5N8VR20B7QAVW459054XHTZ","modified_at":"2026-10-21T17:47:45.364481009Z","published_at":"2007-08-18T21:17:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2007-4411","https://security-tracker.debian.org/tracker/CVE-2007-4411"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2007-4411#Debian:13/ircd-ircu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2007-4411"}],"summary":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other argument"}