{"id":"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":"2026-03-15T22:05:43.350443Z","published":"2017-01-18T17:59:00.373Z","references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/95920"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/39657/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hexchat/hexchat","events":[{"introduced":"0"},{"last_affected":"26567208fdc9da4076e05f56420caf5234719ea8"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.10.2"}]}}],"versions":["2.10.2","v2.10.0","v2.10.1","v2.10.2","v2.9.0","v2.9.1","v2.9.2","v2.9.3","v2.9.4","v2.9.5","v2.9.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2233.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}