{"action":"Upgrade libevent to 2.0.21-stable-3 or later.","affected":[{"fixed":"2.0.21-stable-3","introduced":"0"}],"component":"libevent","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.0.21-stable-3"],"id":"tcs_01M5NBEFF67NDM8GEKSCW6AS4K","modified_at":"2026-09-22T07:02:53.084433035Z","published_at":"2017-03-15T15:59:00.500Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-10197","https://security-tracker.debian.org/tracker/CVE-2016-10197"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-10197#Debian:13/libevent","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-10197"}],"summary":"The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname."}