{"id":"UBUNTU-CVE-2016-2233","details":"Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.","modified":"2025-10-24T04:45:38Z","published":"2017-01-18T17:59:00Z","upstream":["CVE-2016-2233"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-2233"},{"type":"REPORT","url":"http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html"},{"type":"REPORT","url":"https://www.exploit-db.com/exploits/39657/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-2233"}],"affected":[{"package":{"name":"xchat-gnome","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xchat-gnome@1:0.30.0~git20141005.816798-0ubuntu9?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.30.0~git20141005.816798-0ubuntu6","1:0.30.0~git20141005.816798-0ubuntu7","1:0.30.0~git20141005.816798-0ubuntu8","1:0.30.0~git20141005.816798-0ubuntu9"],"ecosystem_specific":{"binaries":[{"binary_name":"xchat-gnome","binary_version":"1:0.30.0~git20141005.816798-0ubuntu9"},{"binary_name":"xchat-gnome-common","binary_version":"1:0.30.0~git20141005.816798-0ubuntu9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2233.json"}},{"package":{"name":"hexchat","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/hexchat@2.10.2-1ubuntu3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.2-1ubuntu2","2.10.2-1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"hexchat","binary_version":"2.10.2-1ubuntu3"},{"binary_name":"hexchat-common","binary_version":"2.10.2-1ubuntu3"},{"binary_name":"hexchat-perl","binary_version":"2.10.2-1ubuntu3"},{"binary_name":"hexchat-plugins","binary_version":"2.10.2-1ubuntu3"},{"binary_name":"hexchat-python","binary_version":"2.10.2-1ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2233.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}