{"id":"CVE-2016-2233","aliases":["DEBIAN-CVE-2016-2233","EUVD-2016-3317","GHSA-xgr5-8gm5-gj39","UBUNTU-CVE-2016-2233"],"status":"published","title":"Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2...","description":"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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.34102,"percentile":0.98412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2017-01-18T17:00:00Z","modified":"2026-10-24T10:30:55Z","exploits":[{"source":"exploitdb","id":"EDB-39657","title":"Hexchat IRC Client 2.11.0 - CAP LS Handling Buffer Overflow","type":"dos","platform":"multiple","date":"2016-04-04","url":"https://www.exploit-db.com/exploits/39657"},{"source":"pocgithub","id":"fath0218/CVE-2016-2233","title":"fath0218/CVE-2016-2233","date":"2018-12-03","url":"https://github.com/fath0218/CVE-2016-2233"}],"fixes":[{"ecosystem":"Debian:12","package":"hexchat","fixed_in":["2.12.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"hexchat","fixed_in":["2.12.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"hexchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"hexchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"xchat-gnome","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"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"hexchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.2-1ubuntu2","2.10.2-1ubuntu3"]}],"products":[{"vendor":"hexchat_project","product":"hexchat"}],"references":[{"url":"https://www.exploit-db.com/exploits/39657/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","report"]},{"url":"http://www.securityfocus.com/bid/95920","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2233"},{"url":"https://www.exploit-db.com/exploits/39657"},{"url":"https://github.com/advisories/GHSA-xgr5-8gm5-gj39"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-2233","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-2233","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-2233","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-2233","description":"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.","status":"published","published":"2017-01-18T17:00:00Z","modified":"2024-08-05T23:24:48.399Z","updated_at":"2026-11-02T14:33:33.07583Z"}],"euvd":[{"id":"EUVD-2016-3317","description":"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.","status":"published","published":"2017-01-18T17:00:00Z","modified":"2024-08-05T23:24:48Z","updated_at":"2026-11-03T02:22:54.125931Z"}],"ghsa":[{"id":"GHSA-xgr5-8gm5-gj39","title":"Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2...","description":"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.","status":"published","published":"2022-05-17T03:02:28Z","modified":"2025-04-20T03:32:17Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:39.626411Z"}],"nvd":[{"id":"CVE-2016-2233","description":"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.","status":"published","published":"2017-01-18T17:59:00.373Z","modified":"2026-06-17T00:43:42.843Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:33.686843Z"}],"osv":[{"id":"CVE-2016-2233","description":"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.","status":"published","published":"2017-01-18T17:59:00.373Z","modified":"2026-10-24T10:30:55.086865188Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.114472Z"},{"id":"DEBIAN-CVE-2016-2233","description":"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.","status":"published","published":"2017-01-18T17:59:00.373Z","modified":"2026-09-22T07:02:56.749160181Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.627285Z"},{"id":"UBUNTU-CVE-2016-2233","description":"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.","status":"published","published":"2017-01-18T17:59:00Z","modified":"2025-10-24T04:45:38Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:11.872222Z"}]}}