{"id":"CVE-2017-15228","aliases":["ALPINE-CVE-2017-15228","DEBIAN-CVE-2017-15228","DLA-1217-1","DSA-4016-1","EUVD-2017-6688","GHSA-9pjj-33mj-c4qq","MGASA-2017-0393","UBUNTU-CVE-2017-15228","USN-3465-1","openSUSE-SU-2017:2832-1","openSUSE-SU-2017:2835-1","openSUSE-SU-2024:10865-1"],"status":"published","title":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may...","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","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":0.02139,"percentile":0.82156,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2017-10-22T00:00:00Z","modified":"2026-10-24T10:30:15Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"irssi","fixed_in":["1.0.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"irssi","fixed_in":["1.0.5-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"irssi","fixed_in":["1.0.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"irssi","fixed_in":["1.0.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"irssi","fixed_in":["1.0.5-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"irssi","fixed_in":["0.8.15-5ubuntu3.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"irssi","fixed_in":["0.8.19-1ubuntu1.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.6","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5+deb7u4"}]}],"versions":["0.8.15-5","0.8.15-5+deb7u1","0.8.15-5+deb7u2","0.8.15-5+deb7u3"],"bundled":7},{"source":"osv","ecosystem":"Debian:8","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.17-1+deb8u5"}]}],"versions":["0.8.17-1","0.8.17-1+deb8u1","0.8.17-1+deb8u1~bpo70+1","0.8.17-1+deb8u2","0.8.17-1+deb8u3","0.8.17-1+deb8u4"],"bundled":5},{"source":"osv","ecosystem":"Debian:9","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-1+deb9u3"}]}],"versions":["1.0.2-1","1.0.2-1+deb9u1","1.0.2-1+deb9u2"],"bundled":5},{"source":"osv","ecosystem":"Mageia:5","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.21-1.3.mga5"}]}],"bundled":5},{"source":"osv","ecosystem":"Mageia:6","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-1.mga6"}]}],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5ubuntu3.3"}]}],"versions":["0.8.15-5ubuntu2","0.8.15-5ubuntu3","0.8.15-5ubuntu3.1","0.8.15-5ubuntu3.2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.19-1ubuntu1.5"}]}],"versions":["0.8.17-1ubuntu1","0.8.17-1ubuntu2","0.8.18-1ubuntu1","0.8.19-1ubuntu1","0.8.19-1ubuntu1.2","0.8.19-1ubuntu1.3","0.8.19-1ubuntu1.4"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5ubuntu3.3"}]}],"versions":["0.8.15-5ubuntu2","0.8.15-5ubuntu3","0.8.15-5ubuntu3.1","0.8.15-5ubuntu3.2"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.19-1ubuntu1.5"}]}],"versions":["0.8.17-1ubuntu1","0.8.17-1ubuntu2","0.8.18-1ubuntu1","0.8.19-1ubuntu1","0.8.19-1ubuntu1.2","0.8.19-1ubuntu1.3","0.8.19-1ubuntu1.4"],"bundled":7},{"source":"osv","ecosystem":"SUSE:Package Hub 12","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-32.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Package Hub 12","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-32.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"irssi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-2.4"}]}],"bundled":26}],"products":[{"vendor":"irssi","product":"irssi"}],"references":[{"url":"https://www.debian.org/security/2017/dsa-4016","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://irssi.org/security/irssi_sa_2017_10.txt","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Patch","Vendor Advisory","fix","report"]},{"url":"http://openwall.com/lists/oss-security/2017/10/22/4","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Mitigation","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-15228"},{"url":"https://github.com/advisories/GHSA-9pjj-33mj-c4qq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-15228","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-15228","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2017-0393.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=21918","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15228","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3465-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-15228","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-10965","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-10966","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15227","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15721","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15722","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-15723","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1064540","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15227","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15228","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15721","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15722","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15723","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-10965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-10966","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5193","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5194","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5195","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5196","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5356","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9468","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9469","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5205","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5206","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5207","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5208","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7050","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7051","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7054","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-13045","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15717","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-5882","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T17:00:00Z","modified":"2024-08-05T19:50:16.405Z","updated_at":"2026-11-02T14:33:14.556599Z"}],"euvd":[{"id":"EUVD-2017-6688","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T17:00:00Z","modified":"2024-08-05T19:50:16Z","updated_at":"2026-11-03T02:23:14.849102Z"}],"ghsa":[{"id":"GHSA-9pjj-33mj-c4qq","title":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may...","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2022-05-14T03:46:35Z","modified":"2023-02-03T05:00:34Z","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-125"],"updated_at":"2026-11-02T14:52:49.021794Z"}],"nvd":[{"id":"CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T20:29:00.273Z","modified":"2026-06-17T01:07:25.017Z","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-125"],"updated_at":"2026-11-02T14:04:03.426231Z"}],"osv":[{"id":"ALPINE-CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T20:29:00.273Z","modified":"2026-06-15T18:24:25.920765944Z","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":"2026-11-02T15:27:46.716249Z"},{"id":"CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T20:29:00.273Z","modified":"2026-10-24T10:30:15.91561181Z","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":"2026-11-02T15:44:04.572713Z"},{"id":"DEBIAN-CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T20:29:00.273Z","modified":"2026-09-01T20:03:44.514041115Z","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":"2026-11-02T15:45:28.801885Z"},{"id":"UBUNTU-CVE-2017-15228","description":"Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.","status":"published","published":"2017-10-22T00:00:00Z","modified":"2026-04-22T11:18:00.10448Z","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":"2026-11-02T15:54:14.563448Z"},{"id":"DLA-1217-1","title":"irssi - security update","status":"published","published":"2017-12-21T00:00:00Z","modified":"2026-03-09T01:01:48.756858Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-4016-1","title":"irssi - security update","status":"published","published":"2017-11-03T00:00:00Z","modified":"2026-03-09T01:21:06.392545Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2017-0393","title":"Updated irssi packages fix security vulnerabilities","description":"While waiting for the channel synchronization, Irssi may incorrectly\nfail to remove destroyed channels from the query list, resulting in use\nafter free conditions when updating the state later on (CVE-2017-15227).\n\nWhen installing themes with unterminated color formatting sequences,\nIrssi may access data beyond the end of the string. (CVE-2017-15228).\n\nCertain incorrectly formatted DCC CTCP messages could cause NULL pointer\ndereference (CVE-2017-15721).\n\nIn certain cases Irssi may fail to verify that a Safe channel ID is long\nenough, causing reads beyond the end of the string (CVE-2017-15722).\n\nOverlong nicks or targets may result in a NULL pointer dereference while\nsplitting the message (CVE-2017-15723).\n","status":"published","published":"2017-10-30T19:23:17Z","modified":"2026-04-16T06:22:54.539478475Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"id":"openSUSE-SU-2017:2832-1","title":"Security update for irssi","description":"This security update for irssi to version  1.0.5 addresses the following security issues:\n\n\n* CVE-2017-15228: When installing themes with unterminated colour formatting\n  sequences, Irssi may access data beyond the end of the string.\n  This issue could have resulted in denial of service (remote crash) when \n  installing a malicious or broken theme file.\n* CVE-2017-15227: While waiting for the channel synchronisation, Irssi may\n  incorrectly fail to remove destroyed channels from the query list,\n  resulting in use after free conditions when updating the state later on.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15721: Certain incorrectly formatted DCC CTCP messages could cause\n  NULL pointer dereference.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15723: Overlong nicks or targets may result in a NULL pointer\n  dereference while splitting the message.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15722:  In certain cases Irssi may fail to verify that a Safe \n  channel ID is long enough, causing reads beyond the end of the string.","status":"published","published":"2017-10-23T07:58:14Z","modified":"2026-02-04T02:39:47.681851Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2017:2835-1","title":"Security update for irssi","description":"This security update for irssi to version  1.0.5 addresses the following security issues:\n\n\n* CVE-2017-15228: When installing themes with unterminated colour formatting\n  sequences, Irssi may access data beyond the end of the string.\n  This issue could have resulted in denial of service (remote crash) when \n  installing a malicious or broken theme file.\n* CVE-2017-15227: While waiting for the channel synchronisation, Irssi may\n  incorrectly fail to remove destroyed channels from the query list,\n  resulting in use after free conditions when updating the state later on.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15721: Certain incorrectly formatted DCC CTCP messages could cause\n  NULL pointer dereference.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15723: Overlong nicks or targets may result in a NULL pointer\n  dereference while splitting the message.\n  This issue could have caused denial of service (remote crash) when\n  connecting to a malicious or broken ircd.\n* CVE-2017-15722:  In certain cases Irssi may fail to verify that a Safe \n  channel ID is long enough, causing reads beyond the end of the string.","status":"published","published":"2017-10-23T07:58:14Z","modified":"2026-02-04T04:20:43.56734Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2024:10865-1","title":"irssi-1.2.3-2.4 on GA media","description":"These are all security issues fixed in the irssi-1.2.3-2.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:27:28.449384Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"USN-3465-1","title":"irssi vulnerabilities","description":"Brian Carpenter discovered that Irssi incorrectly handled messages with\ninvalid time stamps. A malicious IRC server could use this issue to cause\nIrssi to crash, resulting in a denial of service. (CVE-2017-10965)\n\nBrian Carpenter discovered that Irssi incorrectly handled the internal nick\nlist. A malicious IRC server could use this issue to cause Irssi to crash,\nresulting in a denial of service. (CVE-2017-10966)\n\nJoseph Bisch discovered that Irssi incorrectly removed destroyed channels\nfrom the query list. A malicious IRC server could use this issue to cause\nIrssi to crash, resulting in a denial of service. (CVE-2017-15227)\n\nHanno Böck discovered that Irssi incorrectly handled themes. If a user were\ntricked into using a malicious theme, a attacker could use this issue to\ncause Irssi to crash, resulting in a denial of service. (CVE-2017-15228)\n\nJoseph Bisch discovered that Irssi incorrectly handled certain DCC CTCP\nmessages. A malicious IRC server could use this issue to cause Irssi to\ncrash, resulting in a denial of service. (CVE-2017-15721)\n\nJoseph Bisch discovered that Irssi incorrectly handled certain channel IDs.\nA malicious IRC server could use this issue to cause Irssi to crash,\nresulting in a denial of service. (CVE-2017-15722)\n\nJoseph Bisch discovered that Irssi incorrectly handled certain long nicks\nor targets. A malicious IRC server could use this issue to cause Irssi to\ncrash, resulting in a denial of service. (CVE-2017-15723)\n","status":"published","published":"2017-10-26T17:09:16Z","modified":"2026-04-22T09:40:20.274671Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}