{"id":"CVE-2004-0409","aliases":["DEBIAN-CVE-2004-0409","DSA-493","EUVD-2004-0409","GHSA-jx75-hx64-35mh","RHSA-2004:585"],"status":"published","title":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5...","description":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08961,"percentile":0.95288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2004-04-17T04:00:00Z","modified":"2026-06-26T10:01:42Z","exploits":[{"source":"exploitdb","id":"EDB-296","title":"XChat 1.8.0/2.0.8 socks5 - Remote Buffer Overflow","type":"remote","platform":"linux","date":"2004-05-05","verified":true,"url":"https://www.exploit-db.com/exploits/296"}],"fixes":[{"ecosystem":"Debian:3.0","package":"xchat","fixed_in":["1.8.9-0woody3"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::as","package":"xchat","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::as","package":"xchat-debuginfo","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"xchat","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"xchat-debuginfo","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::es","package":"xchat","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::es","package":"xchat-debuginfo","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::ws","package":"xchat","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:3::ws","package":"xchat-debuginfo","fixed_in":["1:2.0.4-4.EL"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"xchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.9-0woody3"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"xchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"xchat-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"xchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"xchat-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"xchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"xchat-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"xchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"xchat-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.4-4.EL"}]}]}],"products":[{"vendor":"xchat","product":"xchat"}],"references":[{"url":"http://www.redhat.com/support/errata/RHSA-2004-177.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.debian.org/security/2004/dsa-493","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.xchat.org/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-585.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://security.gentoo.org/glsa/glsa-200404-15.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://www.fedoralegacy.org/updates/FC2/2005-11-14-FLSA_2005_123013","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11312","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://mail.nl.linux.org/xchat-announce/2004-04/msg00000.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0409","tags":["advisory"]},{"url":"http://www.xchat.org"},{"url":"https://github.com/advisories/GHSA-jx75-hx64-35mh"},{"url":"https://access.redhat.com/errata/RHSA-2004:585","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=121333","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=135238","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2004/rhsa-2004_585.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-0409","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617195","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-0409","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0409","description":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.","status":"published","published":"2004-04-17T04:00:00Z","modified":"2024-08-08T00:17:14.583Z","updated_at":"2026-11-02T14:34:54.398187Z"}],"euvd":[{"id":"EUVD-2004-0409","description":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.","status":"published","published":"2004-04-17T04:00:00Z","modified":"2024-08-08T00:17:14Z","updated_at":"2026-11-03T01:15:19.621932Z"}],"ghsa":[{"id":"GHSA-jx75-hx64-35mh","title":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5...","description":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.","status":"published","published":"2022-04-29T02:57:41Z","modified":"2025-04-03T04:00:38Z","updated_at":"2026-11-02T15:00:38.944477Z"}],"nvd":[{"id":"CVE-2004-0409","description":"Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.","status":"published","published":"2004-06-01T04:00:00Z","modified":"2026-06-16T22:05:35.023Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:49.729639Z"}],"osv":[{"id":"DSA-493","title":"xchat - buffer overflow","status":"published","published":"2004-04-21T00:00:00Z","modified":"2026-03-09T02:11:11.805876Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"RHSA-2004:585","title":"Red Hat Security Advisory: xchat security update","status":"published","published":"2024-09-15T14:36:39Z","modified":"2026-06-26T10:01:42Z","updated_at":"2026-11-02T15:52:59.135214Z"}]}}