{"id":"DEBIAN-CVE-2007-4411","details":"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 arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","modified":"2026-09-01T20:02:47.948334806Z","published":"2007-08-18T21:17:00Z","upstream":["CVE-2007-4411"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2007-4411"}],"affected":[{"package":{"name":"ircd-ircu","ecosystem":"Debian:12","purl":"pkg:deb/debian/ircd-ircu?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4411.json"}},{"package":{"name":"ircd-ircu","ecosystem":"Debian:13","purl":"pkg:deb/debian/ircd-ircu?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4411.json"}},{"package":{"name":"ircd-ircu","ecosystem":"Debian:14","purl":"pkg:deb/debian/ircd-ircu?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4411.json"}}],"schema_version":"1.9.0"}