{"action":"Upgrade asterisk to 1:1.8.4.2-1 or later.","affected":[{"fixed":"1:1.8.4.2-1","introduced":"0"}],"component":"asterisk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:1.8.4.2-1"],"id":"tcs_01M5N9SNDG6PJNVPG98SSWY9J7","modified_at":"2026-10-23T17:47:41.686119191Z","published_at":"2011-06-06T19:55:03.770Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-2216","https://security-tracker.debian.org/tracker/CVE-2011-2216"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-2216","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-2216"}],"summary":"reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer de"}