{"action":"Upgrade openssh to 1:5.8p1-2 or later.","affected":[{"fixed":"1:5.8p1-2","introduced":"0"}],"component":"openssh","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:5.8p1-2"],"id":"tcs_01M5N9Q3Q7SQ6PD6CW7776JEDB","modified_at":"2026-10-23T18:03:40.266328793Z","published_at":"2011-02-10T18:00:57.660Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-0539","https://security-tracker.debian.org/tracker/CVE-2011-0539"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-0539","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-0539"}],"summary":"The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which mig"}