{"action":"Upgrade isc-dhcp to 4.2.2.dfsg.1-5 or later.","affected":[{"fixed":"4.2.2.dfsg.1-5","introduced":"0"}],"component":"isc-dhcp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.2.2.dfsg.1-5"],"id":"tcs_01M5N9XKT7QY5334Q2A6291R5Z","modified_at":"2026-10-23T17:47:50.758073649Z","published_at":"2012-01-15T03:55:12.953Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-4868","https://security-tracker.debian.org/tracker/CVE-2011-4868"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-4868","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-4868"}],"summary":"The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attac"}