{"action":"Upgrade asterisk to 1:1.8.4.3-1 or later.","affected":[{"fixed":"1:1.8.4.3-1","introduced":"0"}],"component":"asterisk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:1.8.4.3-1"],"id":"tcs_01M5N9SYFV4KX1YYDHX6EH4KCG","modified_at":"2026-10-23T17:47:39.116483258Z","published_at":"2011-07-06T19:55:03.450Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-2529","https://security-tracker.debian.org/tracker/CVE-2011-2529"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-2529","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-2529"}],"summary":"chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\\0' characters in SIP packets, which allows remote attackers to"}