{"action":"Upgrade dropbear to 2012.55-1.4 or later.","affected":[{"fixed":"2012.55-1.4","introduced":"0"}],"component":"dropbear","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2012.55-1.4"],"id":"tcs_01M5NAH90VSFZ47A3MVDVHT5FF","modified_at":"2026-09-01T20:03:18.282828453Z","published_at":"2013-10-25T23:55:03.847Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-4421","https://security-tracker.debian.org/tracker/CVE-2013-4421"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-4421","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-4421"}],"summary":"The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size wh"}