{"action":"Upgrade klibc to 1.5.22-1 or later.","affected":[{"fixed":"1.5.22-1","introduced":"0"}],"component":"klibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.5.22-1"],"id":"tcs_01M5N9S5BDNR6WSWF7EW98ZCTQ","modified_at":"2026-10-23T18:02:47.296672004Z","published_at":"2019-11-14T03:15:10.510Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-1930","https://security-tracker.debian.org/tracker/CVE-2011-1930"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-1930","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-1930"}],"summary":"In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could"}